Re: [PATCH v2 3/6] mm: replace vma->vm_flags direct modifications with modifier calls

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On Wed, Jan 25, 2023 at 12:38:48AM -0800, Suren Baghdasaryan wrote:
> Replace direct modifications to vma->vm_flags with calls to modifier
> functions to be able to track flag changes and to keep vma locking
> correctness.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>

Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>

> ---
>  arch/arm/kernel/process.c                          |  2 +-
>  arch/ia64/mm/init.c                                |  8 ++++----
>  arch/loongarch/include/asm/tlb.h                   |  2 +-
>  arch/powerpc/kvm/book3s_xive_native.c              |  2 +-
>  arch/powerpc/mm/book3s64/subpage_prot.c            |  2 +-
>  arch/powerpc/platforms/book3s/vas-api.c            |  2 +-
>  arch/powerpc/platforms/cell/spufs/file.c           | 14 +++++++-------
>  arch/s390/mm/gmap.c                                |  3 +--
>  arch/x86/entry/vsyscall/vsyscall_64.c              |  2 +-
>  arch/x86/kernel/cpu/sgx/driver.c                   |  2 +-
>  arch/x86/kernel/cpu/sgx/virt.c                     |  2 +-
>  arch/x86/mm/pat/memtype.c                          |  6 +++---
>  arch/x86/um/mem_32.c                               |  2 +-
>  drivers/acpi/pfr_telemetry.c                       |  2 +-
>  drivers/android/binder.c                           |  3 +--
>  drivers/char/mspec.c                               |  2 +-
>  drivers/crypto/hisilicon/qm.c                      |  2 +-
>  drivers/dax/device.c                               |  2 +-
>  drivers/dma/idxd/cdev.c                            |  2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c            |  2 +-
>  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c           |  4 ++--
>  drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c          |  4 ++--
>  drivers/gpu/drm/amd/amdkfd/kfd_events.c            |  4 ++--
>  drivers/gpu/drm/amd/amdkfd/kfd_process.c           |  4 ++--
>  drivers/gpu/drm/drm_gem.c                          |  2 +-
>  drivers/gpu/drm/drm_gem_dma_helper.c               |  3 +--
>  drivers/gpu/drm/drm_gem_shmem_helper.c             |  2 +-
>  drivers/gpu/drm/drm_vm.c                           |  8 ++++----
>  drivers/gpu/drm/etnaviv/etnaviv_gem.c              |  2 +-
>  drivers/gpu/drm/exynos/exynos_drm_gem.c            |  4 ++--
>  drivers/gpu/drm/gma500/framebuffer.c               |  2 +-
>  drivers/gpu/drm/i810/i810_dma.c                    |  2 +-
>  drivers/gpu/drm/i915/gem/i915_gem_mman.c           |  4 ++--
>  drivers/gpu/drm/mediatek/mtk_drm_gem.c             |  2 +-
>  drivers/gpu/drm/msm/msm_gem.c                      |  2 +-
>  drivers/gpu/drm/omapdrm/omap_gem.c                 |  3 +--
>  drivers/gpu/drm/rockchip/rockchip_drm_gem.c        |  3 +--
>  drivers/gpu/drm/tegra/gem.c                        |  5 ++---
>  drivers/gpu/drm/ttm/ttm_bo_vm.c                    |  3 +--
>  drivers/gpu/drm/virtio/virtgpu_vram.c              |  2 +-
>  drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c           |  2 +-
>  drivers/gpu/drm/xen/xen_drm_front_gem.c            |  3 +--
>  drivers/hsi/clients/cmt_speech.c                   |  2 +-
>  drivers/hwtracing/intel_th/msu.c                   |  2 +-
>  drivers/hwtracing/stm/core.c                       |  2 +-
>  drivers/infiniband/hw/hfi1/file_ops.c              |  4 ++--
>  drivers/infiniband/hw/mlx5/main.c                  |  4 ++--
>  drivers/infiniband/hw/qib/qib_file_ops.c           | 13 ++++++-------
>  drivers/infiniband/hw/usnic/usnic_ib_verbs.c       |  2 +-
>  drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c    |  2 +-
>  .../media/common/videobuf2/videobuf2-dma-contig.c  |  2 +-
>  drivers/media/common/videobuf2/videobuf2-vmalloc.c |  2 +-
>  drivers/media/v4l2-core/videobuf-dma-contig.c      |  2 +-
>  drivers/media/v4l2-core/videobuf-dma-sg.c          |  4 ++--
>  drivers/media/v4l2-core/videobuf-vmalloc.c         |  2 +-
>  drivers/misc/cxl/context.c                         |  2 +-
>  drivers/misc/habanalabs/common/memory.c            |  2 +-
>  drivers/misc/habanalabs/gaudi/gaudi.c              |  4 ++--
>  drivers/misc/habanalabs/gaudi2/gaudi2.c            |  8 ++++----
>  drivers/misc/habanalabs/goya/goya.c                |  4 ++--
>  drivers/misc/ocxl/context.c                        |  4 ++--
>  drivers/misc/ocxl/sysfs.c                          |  2 +-
>  drivers/misc/open-dice.c                           |  4 ++--
>  drivers/misc/sgi-gru/grufile.c                     |  4 ++--
>  drivers/misc/uacce/uacce.c                         |  2 +-
>  drivers/sbus/char/oradax.c                         |  2 +-
>  drivers/scsi/cxlflash/ocxl_hw.c                    |  2 +-
>  drivers/scsi/sg.c                                  |  2 +-
>  drivers/staging/media/atomisp/pci/hmm/hmm_bo.c     |  2 +-
>  drivers/staging/media/deprecated/meye/meye.c       |  4 ++--
>  .../media/deprecated/stkwebcam/stk-webcam.c        |  2 +-
>  drivers/target/target_core_user.c                  |  2 +-
>  drivers/uio/uio.c                                  |  2 +-
>  drivers/usb/core/devio.c                           |  3 +--
>  drivers/usb/mon/mon_bin.c                          |  3 +--
>  drivers/vdpa/vdpa_user/iova_domain.c               |  2 +-
>  drivers/vfio/pci/vfio_pci_core.c                   |  2 +-
>  drivers/vhost/vdpa.c                               |  2 +-
>  drivers/video/fbdev/68328fb.c                      |  2 +-
>  drivers/video/fbdev/core/fb_defio.c                |  4 ++--
>  drivers/xen/gntalloc.c                             |  2 +-
>  drivers/xen/gntdev.c                               |  4 ++--
>  drivers/xen/privcmd-buf.c                          |  2 +-
>  drivers/xen/privcmd.c                              |  4 ++--
>  fs/aio.c                                           |  2 +-
>  fs/cramfs/inode.c                                  |  2 +-
>  fs/erofs/data.c                                    |  2 +-
>  fs/exec.c                                          |  4 ++--
>  fs/ext4/file.c                                     |  2 +-
>  fs/fuse/dax.c                                      |  2 +-
>  fs/hugetlbfs/inode.c                               |  4 ++--
>  fs/orangefs/file.c                                 |  3 +--
>  fs/proc/task_mmu.c                                 |  2 +-
>  fs/proc/vmcore.c                                   |  3 +--
>  fs/userfaultfd.c                                   |  2 +-
>  fs/xfs/xfs_file.c                                  |  2 +-
>  include/linux/mm.h                                 |  2 +-
>  kernel/bpf/ringbuf.c                               |  4 ++--
>  kernel/bpf/syscall.c                               |  4 ++--
>  kernel/events/core.c                               |  2 +-
>  kernel/kcov.c                                      |  2 +-
>  kernel/relay.c                                     |  2 +-
>  mm/madvise.c                                       |  2 +-
>  mm/memory.c                                        |  6 +++---
>  mm/mlock.c                                         |  6 +++---
>  mm/mmap.c                                          | 10 +++++-----
>  mm/mprotect.c                                      |  2 +-
>  mm/mremap.c                                        |  6 +++---
>  mm/nommu.c                                         | 11 ++++++-----
>  mm/secretmem.c                                     |  2 +-
>  mm/shmem.c                                         |  2 +-
>  mm/vmalloc.c                                       |  2 +-
>  net/ipv4/tcp.c                                     |  4 ++--
>  security/selinux/selinuxfs.c                       |  6 +++---
>  sound/core/oss/pcm_oss.c                           |  2 +-
>  sound/core/pcm_native.c                            |  9 +++++----
>  sound/soc/pxa/mmp-sspa.c                           |  2 +-
>  sound/usb/usx2y/us122l.c                           |  4 ++--
>  sound/usb/usx2y/usX2Yhwdep.c                       |  2 +-
>  sound/usb/usx2y/usx2yhwdeppcm.c                    |  2 +-
>  120 files changed, 188 insertions(+), 199 deletions(-)
> 
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
> index f811733a8fc5..ec65f3ea3150 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -316,7 +316,7 @@ static int __init gate_vma_init(void)
>  	gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
>  	gate_vma.vm_start = 0xffff0000;
>  	gate_vma.vm_end	= 0xffff0000 + PAGE_SIZE;
> -	gate_vma.vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
> +	init_vm_flags(&gate_vma, VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC);
>  	return 0;
>  }
>  arch_initcall(gate_vma_init);
> diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
> index fc4e4217e87f..d355e0ce28ab 100644
> --- a/arch/ia64/mm/init.c
> +++ b/arch/ia64/mm/init.c
> @@ -109,7 +109,7 @@ ia64_init_addr_space (void)
>  		vma_set_anonymous(vma);
>  		vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
>  		vma->vm_end = vma->vm_start + PAGE_SIZE;
> -		vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
> +		init_vm_flags(vma, VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT);
>  		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  		mmap_write_lock(current->mm);
>  		if (insert_vm_struct(current->mm, vma)) {
> @@ -127,8 +127,8 @@ ia64_init_addr_space (void)
>  			vma_set_anonymous(vma);
>  			vma->vm_end = PAGE_SIZE;
>  			vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
> -			vma->vm_flags = VM_READ | VM_MAYREAD | VM_IO |
> -					VM_DONTEXPAND | VM_DONTDUMP;
> +			init_vm_flags(vma, VM_READ | VM_MAYREAD | VM_IO |
> +				      VM_DONTEXPAND | VM_DONTDUMP);
>  			mmap_write_lock(current->mm);
>  			if (insert_vm_struct(current->mm, vma)) {
>  				mmap_write_unlock(current->mm);
> @@ -272,7 +272,7 @@ static int __init gate_vma_init(void)
>  	vma_init(&gate_vma, NULL);
>  	gate_vma.vm_start = FIXADDR_USER_START;
>  	gate_vma.vm_end = FIXADDR_USER_END;
> -	gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
> +	init_vm_flags(&gate_vma, VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC);
>  	gate_vma.vm_page_prot = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX);
>  
>  	return 0;
> diff --git a/arch/loongarch/include/asm/tlb.h b/arch/loongarch/include/asm/tlb.h
> index dd24f5898f65..51e35b44d105 100644
> --- a/arch/loongarch/include/asm/tlb.h
> +++ b/arch/loongarch/include/asm/tlb.h
> @@ -149,7 +149,7 @@ static inline void tlb_flush(struct mmu_gather *tlb)
>  	struct vm_area_struct vma;
>  
>  	vma.vm_mm = tlb->mm;
> -	vma.vm_flags = 0;
> +	init_vm_flags(&vma, 0);
>  	if (tlb->fullmm) {
>  		flush_tlb_mm(tlb->mm);
>  		return;
> diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
> index 4f566bea5e10..7976af0f5ff8 100644
> --- a/arch/powerpc/kvm/book3s_xive_native.c
> +++ b/arch/powerpc/kvm/book3s_xive_native.c
> @@ -324,7 +324,7 @@ static int kvmppc_xive_native_mmap(struct kvm_device *dev,
>  		return -EINVAL;
>  	}
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
>  
>  	/*
> diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c
> index d73b3b4176e8..72948cdb1911 100644
> --- a/arch/powerpc/mm/book3s64/subpage_prot.c
> +++ b/arch/powerpc/mm/book3s64/subpage_prot.c
> @@ -156,7 +156,7 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
>  	 * VM_NOHUGEPAGE and split them.
>  	 */
>  	for_each_vma_range(vmi, vma, addr + len) {
> -		vma->vm_flags |= VM_NOHUGEPAGE;
> +		set_vm_flags(vma, VM_NOHUGEPAGE);
>  		walk_page_vma(vma, &subpage_walk_ops, NULL);
>  	}
>  }
> diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c
> index 9580e8e12165..d5b8e55d010a 100644
> --- a/arch/powerpc/platforms/book3s/vas-api.c
> +++ b/arch/powerpc/platforms/book3s/vas-api.c
> @@ -525,7 +525,7 @@ static int coproc_mmap(struct file *fp, struct vm_area_struct *vma)
>  	pfn = paste_addr >> PAGE_SHIFT;
>  
>  	/* flags, page_prot from cxl_mmap(), except we want cachable */
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_cached(vma->vm_page_prot);
>  
>  	prot = __pgprot(pgprot_val(vma->vm_page_prot) | _PAGE_DIRTY);
> diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
> index 62d90a5e23d1..784fa39a484a 100644
> --- a/arch/powerpc/platforms/cell/spufs/file.c
> +++ b/arch/powerpc/platforms/cell/spufs/file.c
> @@ -291,7 +291,7 @@ static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_mem_mmap_vmops;
> @@ -381,7 +381,7 @@ static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_cntl_mmap_vmops;
> @@ -1043,7 +1043,7 @@ static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_signal1_mmap_vmops;
> @@ -1179,7 +1179,7 @@ static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_signal2_mmap_vmops;
> @@ -1302,7 +1302,7 @@ static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_mss_mmap_vmops;
> @@ -1364,7 +1364,7 @@ static int spufs_psmap_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_psmap_mmap_vmops;
> @@ -1424,7 +1424,7 @@ static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (!(vma->vm_flags & VM_SHARED))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
>  	vma->vm_ops = &spufs_mfc_mmap_vmops;
> diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
> index 69af6cdf1a2a..3a695b8a1e3c 100644
> --- a/arch/s390/mm/gmap.c
> +++ b/arch/s390/mm/gmap.c
> @@ -2522,8 +2522,7 @@ static inline void thp_split_mm(struct mm_struct *mm)
>  	VMA_ITERATOR(vmi, mm, 0);
>  
>  	for_each_vma(vmi, vma) {
> -		vma->vm_flags &= ~VM_HUGEPAGE;
> -		vma->vm_flags |= VM_NOHUGEPAGE;
> +		mod_vm_flags(vma, VM_NOHUGEPAGE, VM_HUGEPAGE);
>  		walk_page_vma(vma, &thp_split_walk_ops, NULL);
>  	}
>  	mm->def_flags |= VM_NOHUGEPAGE;
> diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
> index 4af81df133ee..e2a1626d86d8 100644
> --- a/arch/x86/entry/vsyscall/vsyscall_64.c
> +++ b/arch/x86/entry/vsyscall/vsyscall_64.c
> @@ -391,7 +391,7 @@ void __init map_vsyscall(void)
>  	}
>  
>  	if (vsyscall_mode == XONLY)
> -		gate_vma.vm_flags = VM_EXEC;
> +		init_vm_flags(&gate_vma, VM_EXEC);
>  
>  	BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) !=
>  		     (unsigned long)VSYSCALL_ADDR);
> diff --git a/arch/x86/kernel/cpu/sgx/driver.c b/arch/x86/kernel/cpu/sgx/driver.c
> index aa9b8b868867..42c0bded93b6 100644
> --- a/arch/x86/kernel/cpu/sgx/driver.c
> +++ b/arch/x86/kernel/cpu/sgx/driver.c
> @@ -95,7 +95,7 @@ static int sgx_mmap(struct file *file, struct vm_area_struct *vma)
>  		return ret;
>  
>  	vma->vm_ops = &sgx_vm_ops;
> -	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
> +	set_vm_flags(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO);
>  	vma->vm_private_data = encl;
>  
>  	return 0;
> diff --git a/arch/x86/kernel/cpu/sgx/virt.c b/arch/x86/kernel/cpu/sgx/virt.c
> index 6a77a14eee38..0774a0bfeb28 100644
> --- a/arch/x86/kernel/cpu/sgx/virt.c
> +++ b/arch/x86/kernel/cpu/sgx/virt.c
> @@ -105,7 +105,7 @@ static int sgx_vepc_mmap(struct file *file, struct vm_area_struct *vma)
>  
>  	vma->vm_ops = &sgx_vepc_vm_ops;
>  	/* Don't copy VMA in fork() */
> -	vma->vm_flags |= VM_PFNMAP | VM_IO | VM_DONTDUMP | VM_DONTCOPY;
> +	set_vm_flags(vma, VM_PFNMAP | VM_IO | VM_DONTDUMP | VM_DONTCOPY);
>  	vma->vm_private_data = vepc;
>  
>  	return 0;
> diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
> index fb4b1b5e0dea..ae9645c900fa 100644
> --- a/arch/x86/mm/pat/memtype.c
> +++ b/arch/x86/mm/pat/memtype.c
> @@ -1000,7 +1000,7 @@ int track_pfn_remap(struct vm_area_struct *vma, pgprot_t *prot,
>  
>  		ret = reserve_pfn_range(paddr, size, prot, 0);
>  		if (ret == 0 && vma)
> -			vma->vm_flags |= VM_PAT;
> +			set_vm_flags(vma, VM_PAT);
>  		return ret;
>  	}
>  
> @@ -1066,7 +1066,7 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
>  	}
>  	free_pfn_range(paddr, size);
>  	if (vma)
> -		vma->vm_flags &= ~VM_PAT;
> +		clear_vm_flags(vma, VM_PAT);
>  }
>  
>  /*
> @@ -1076,7 +1076,7 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
>   */
>  void untrack_pfn_moved(struct vm_area_struct *vma)
>  {
> -	vma->vm_flags &= ~VM_PAT;
> +	clear_vm_flags(vma, VM_PAT);
>  }
>  
>  pgprot_t pgprot_writecombine(pgprot_t prot)
> diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c
> index cafd01f730da..bfd2c320ad25 100644
> --- a/arch/x86/um/mem_32.c
> +++ b/arch/x86/um/mem_32.c
> @@ -16,7 +16,7 @@ static int __init gate_vma_init(void)
>  	vma_init(&gate_vma, NULL);
>  	gate_vma.vm_start = FIXADDR_USER_START;
>  	gate_vma.vm_end = FIXADDR_USER_END;
> -	gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
> +	init_vm_flags(&gate_vma, VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC);
>  	gate_vma.vm_page_prot = PAGE_READONLY;
>  
>  	return 0;
> diff --git a/drivers/acpi/pfr_telemetry.c b/drivers/acpi/pfr_telemetry.c
> index 27fb6cdad75f..9e339c705b5b 100644
> --- a/drivers/acpi/pfr_telemetry.c
> +++ b/drivers/acpi/pfr_telemetry.c
> @@ -310,7 +310,7 @@ pfrt_log_mmap(struct file *file, struct vm_area_struct *vma)
>  		return -EROFS;
>  
>  	/* changing from read to write with mprotect is not allowed */
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	pfrt_log_dev = to_pfrt_log_dev(file);
>  
> diff --git a/drivers/android/binder.c b/drivers/android/binder.c
> index 880224ec6abb..dd6c99223b8c 100644
> --- a/drivers/android/binder.c
> +++ b/drivers/android/binder.c
> @@ -5572,8 +5572,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
>  		       proc->pid, vma->vm_start, vma->vm_end, "bad vm_flags", -EPERM);
>  		return -EPERM;
>  	}
> -	vma->vm_flags |= VM_DONTCOPY | VM_MIXEDMAP;
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	mod_vm_flags(vma, VM_DONTCOPY | VM_MIXEDMAP, VM_MAYWRITE);
>  
>  	vma->vm_ops = &binder_vm_ops;
>  	vma->vm_private_data = proc;
> diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
> index f8231e2e84be..57bd36a28f95 100644
> --- a/drivers/char/mspec.c
> +++ b/drivers/char/mspec.c
> @@ -206,7 +206,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
>  	refcount_set(&vdata->refcnt, 1);
>  	vma->vm_private_data = vdata;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	if (vdata->type == MSPEC_UNCACHED)
>  		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vma->vm_ops = &mspec_vm_ops;
> diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
> index 007ac7a69ce7..57ecdb5c97fb 100644
> --- a/drivers/crypto/hisilicon/qm.c
> +++ b/drivers/crypto/hisilicon/qm.c
> @@ -2363,7 +2363,7 @@ static int hisi_qm_uacce_mmap(struct uacce_queue *q,
>  				return -EINVAL;
>  		}
>  
> -		vma->vm_flags |= VM_IO;
> +		set_vm_flags(vma, VM_IO);
>  
>  		return remap_pfn_range(vma, vma->vm_start,
>  				       phys_base >> PAGE_SHIFT,
> diff --git a/drivers/dax/device.c b/drivers/dax/device.c
> index 5494d745ced5..6e9726dfaa7e 100644
> --- a/drivers/dax/device.c
> +++ b/drivers/dax/device.c
> @@ -308,7 +308,7 @@ static int dax_mmap(struct file *filp, struct vm_area_struct *vma)
>  		return rc;
>  
>  	vma->vm_ops = &dax_vm_ops;
> -	vma->vm_flags |= VM_HUGEPAGE;
> +	set_vm_flags(vma, VM_HUGEPAGE);
>  	return 0;
>  }
>  
> diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c
> index e13e92609943..51cf836cf329 100644
> --- a/drivers/dma/idxd/cdev.c
> +++ b/drivers/dma/idxd/cdev.c
> @@ -201,7 +201,7 @@ static int idxd_cdev_mmap(struct file *filp, struct vm_area_struct *vma)
>  	if (rc < 0)
>  		return rc;
>  
> -	vma->vm_flags |= VM_DONTCOPY;
> +	set_vm_flags(vma, VM_DONTCOPY);
>  	pfn = (base + idxd_get_wq_portal_full_offset(wq->id,
>  				IDXD_PORTAL_LIMITED)) >> PAGE_SHIFT;
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index bb7350ea1d75..70b08a0d13cd 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -257,7 +257,7 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_str
>  	 */
>  	if (is_cow_mapping(vma->vm_flags) &&
>  	    !(vma->vm_flags & VM_ACCESS_FLAGS))
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	return drm_gem_ttm_mmap(obj, vma);
>  }
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> index 6d291aa6386b..7beb8dd6a5e6 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> @@ -2879,8 +2879,8 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process,
>  
>  	address = dev->adev->rmmio_remap.bus_addr;
>  
> -	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
> -				VM_DONTDUMP | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
> +				VM_DONTDUMP | VM_PFNMAP);
>  
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
> index cd4e61bf0493..6cbe47cf9be5 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
> @@ -159,8 +159,8 @@ int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process,
>  	address = kfd_get_process_doorbells(pdd);
>  	if (!address)
>  		return -ENOMEM;
> -	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
> -				VM_DONTDUMP | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
> +				VM_DONTDUMP | VM_PFNMAP);
>  
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
> index 729d26d648af..95cd20056cea 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
> @@ -1052,8 +1052,8 @@ int kfd_event_mmap(struct kfd_process *p, struct vm_area_struct *vma)
>  	pfn = __pa(page->kernel_address);
>  	pfn >>= PAGE_SHIFT;
>  
> -	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE
> -		       | VM_DONTDUMP | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE
> +		       | VM_DONTDUMP | VM_PFNMAP);
>  
>  	pr_debug("Mapping signal page\n");
>  	pr_debug("     start user address  == 0x%08lx\n", vma->vm_start);
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> index 51b1683ac5c1..b40f4b122918 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> @@ -1978,8 +1978,8 @@ int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process,
>  		return -ENOMEM;
>  	}
>  
> -	vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND
> -		| VM_NORESERVE | VM_DONTDUMP | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND
> +		| VM_NORESERVE | VM_DONTDUMP | VM_PFNMAP);
>  	/* Mapping pages to user process */
>  	return remap_pfn_range(vma, vma->vm_start,
>  			       PFN_DOWN(__pa(qpd->cwsr_kaddr)),
> diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
> index b8db675e7fb5..6ea7bcaa592b 100644
> --- a/drivers/gpu/drm/drm_gem.c
> +++ b/drivers/gpu/drm/drm_gem.c
> @@ -1047,7 +1047,7 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
>  			goto err_drm_gem_object_put;
>  		}
>  
> -		vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +		set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  		vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
>  		vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
>  	}
> diff --git a/drivers/gpu/drm/drm_gem_dma_helper.c b/drivers/gpu/drm/drm_gem_dma_helper.c
> index 1e658c448366..41f241b9a581 100644
> --- a/drivers/gpu/drm/drm_gem_dma_helper.c
> +++ b/drivers/gpu/drm/drm_gem_dma_helper.c
> @@ -530,8 +530,7 @@ int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *
>  	 * the whole buffer.
>  	 */
>  	vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node);
> -	vma->vm_flags &= ~VM_PFNMAP;
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	mod_vm_flags(vma, VM_DONTEXPAND, VM_PFNMAP);
>  
>  	if (dma_obj->map_noncoherent) {
>  		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
> diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
> index b602cd72a120..a5032dfac492 100644
> --- a/drivers/gpu/drm/drm_gem_shmem_helper.c
> +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
> @@ -633,7 +633,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
>  	if (ret)
>  		return ret;
>  
> -	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  	if (shmem->map_wc)
>  		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
> diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
> index f024dc93939e..8867bb6c40e3 100644
> --- a/drivers/gpu/drm/drm_vm.c
> +++ b/drivers/gpu/drm/drm_vm.c
> @@ -476,7 +476,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
>  
>  	if (!capable(CAP_SYS_ADMIN) &&
>  	    (dma->flags & _DRM_DMA_USE_PCI_RO)) {
> -		vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
> +		clear_vm_flags(vma, VM_WRITE | VM_MAYWRITE);
>  #if defined(__i386__) || defined(__x86_64__)
>  		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
>  #else
> @@ -492,7 +492,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
>  
>  	vma->vm_ops = &drm_vm_dma_ops;
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	drm_vm_open_locked(dev, vma);
>  	return 0;
> @@ -560,7 +560,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
>  		return -EINVAL;
>  
>  	if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
> -		vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
> +		clear_vm_flags(vma, VM_WRITE | VM_MAYWRITE);
>  #if defined(__i386__) || defined(__x86_64__)
>  		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
>  #else
> @@ -628,7 +628,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
>  	default:
>  		return -EINVAL;	/* This should never happen. */
>  	}
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	drm_vm_open_locked(dev, vma);
>  	return 0;
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> index c5ae5492e1af..9a5a317038a4 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> @@ -130,7 +130,7 @@ static int etnaviv_gem_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
>  {
>  	pgprot_t vm_page_prot;
>  
> -	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> index 3e493f48e0d4..c330d415729c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> @@ -274,7 +274,7 @@ static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem,
>  	unsigned long vm_size;
>  	int ret;
>  
> -	vma->vm_flags &= ~VM_PFNMAP;
> +	clear_vm_flags(vma, VM_PFNMAP);
>  	vma->vm_pgoff = 0;
>  
>  	vm_size = vma->vm_end - vma->vm_start;
> @@ -368,7 +368,7 @@ static int exynos_drm_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct
>  	if (obj->import_attach)
>  		return dma_buf_mmap(obj->dma_buf, vma, 0);
>  
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	DRM_DEV_DEBUG_KMS(to_dma_dev(obj->dev), "flags = 0x%x\n",
>  			  exynos_gem->flags);
> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> index 8d5a37b8f110..471d5b3c1535 100644
> --- a/drivers/gpu/drm/gma500/framebuffer.c
> +++ b/drivers/gpu/drm/gma500/framebuffer.c
> @@ -139,7 +139,7 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
>  	 */
>  	vma->vm_ops = &psbfb_vm_ops;
>  	vma->vm_private_data = (void *)fb;
> -	vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	return 0;
>  }
>  
> diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
> index 9fb4dd63342f..bced8c30709e 100644
> --- a/drivers/gpu/drm/i810/i810_dma.c
> +++ b/drivers/gpu/drm/i810/i810_dma.c
> @@ -102,7 +102,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
>  	buf = dev_priv->mmap_buffer;
>  	buf_priv = buf->dev_private;
>  
> -	vma->vm_flags |= VM_DONTCOPY;
> +	set_vm_flags(vma, VM_DONTCOPY);
>  
>  	buf_priv->currently_mapped = I810_BUF_MAPPED;
>  
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> index 0ad44f3868de..71b9e0485cb9 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> @@ -979,7 +979,7 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
>  			i915_gem_object_put(obj);
>  			return -EINVAL;
>  		}
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  	}
>  
>  	anon = mmap_singleton(to_i915(dev));
> @@ -988,7 +988,7 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
>  		return PTR_ERR(anon);
>  	}
>  
> -	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
> +	set_vm_flags(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO);
>  
>  	/*
>  	 * We keep the ref on mmo->obj, not vm_file, but we require
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index 47e96b0289f9..427089733b87 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -158,7 +158,7 @@ static int mtk_drm_gem_object_mmap(struct drm_gem_object *obj,
>  	 * dma_alloc_attrs() allocated a struct page table for mtk_gem, so clear
>  	 * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap().
>  	 */
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
>  	vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
>  
> diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
> index 1dee0d18abbb..8aff3ae909af 100644
> --- a/drivers/gpu/drm/msm/msm_gem.c
> +++ b/drivers/gpu/drm/msm/msm_gem.c
> @@ -1012,7 +1012,7 @@ static int msm_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct
>  {
>  	struct msm_gem_object *msm_obj = to_msm_bo(obj);
>  
> -	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags));
>  
>  	return 0;
> diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
> index cf571796fd26..9c0e7d6a3784 100644
> --- a/drivers/gpu/drm/omapdrm/omap_gem.c
> +++ b/drivers/gpu/drm/omapdrm/omap_gem.c
> @@ -543,8 +543,7 @@ int omap_gem_mmap_obj(struct drm_gem_object *obj,
>  {
>  	struct omap_gem_object *omap_obj = to_omap_bo(obj);
>  
> -	vma->vm_flags &= ~VM_PFNMAP;
> -	vma->vm_flags |= VM_MIXEDMAP;
> +	mod_vm_flags(vma, VM_MIXEDMAP, VM_PFNMAP);
>  
>  	if (omap_obj->flags & OMAP_BO_WC) {
>  		vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> index 6edb7c52cb3d..735b64bbdcf2 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> @@ -251,8 +251,7 @@ static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj,
>  	 * We allocated a struct page table for rk_obj, so clear
>  	 * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap().
>  	 */
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> -	vma->vm_flags &= ~VM_PFNMAP;
> +	mod_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP, VM_PFNMAP);
>  
>  	vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
>  	vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
> diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
> index 979e7bc902f6..6cdc6c45ef27 100644
> --- a/drivers/gpu/drm/tegra/gem.c
> +++ b/drivers/gpu/drm/tegra/gem.c
> @@ -574,7 +574,7 @@ int __tegra_gem_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma)
>  		 * and set the vm_pgoff (used as a fake buffer offset by DRM)
>  		 * to 0 as we want to map the whole buffer.
>  		 */
> -		vma->vm_flags &= ~VM_PFNMAP;
> +		clear_vm_flags(vma, VM_PFNMAP);
>  		vma->vm_pgoff = 0;
>  
>  		err = dma_mmap_wc(gem->dev->dev, vma, bo->vaddr, bo->iova,
> @@ -588,8 +588,7 @@ int __tegra_gem_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma)
>  	} else {
>  		pgprot_t prot = vm_get_page_prot(vma->vm_flags);
>  
> -		vma->vm_flags |= VM_MIXEDMAP;
> -		vma->vm_flags &= ~VM_PFNMAP;
> +		mod_vm_flags(vma, VM_MIXEDMAP, VM_PFNMAP);
>  
>  		vma->vm_page_prot = pgprot_writecombine(prot);
>  	}
> diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
> index 5a3e4b891377..0861e6e33964 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
> @@ -468,8 +468,7 @@ int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo)
>  
>  	vma->vm_private_data = bo;
>  
> -	vma->vm_flags |= VM_PFNMAP;
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_PFNMAP | VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  	return 0;
>  }
>  EXPORT_SYMBOL(ttm_bo_mmap_obj);
> diff --git a/drivers/gpu/drm/virtio/virtgpu_vram.c b/drivers/gpu/drm/virtio/virtgpu_vram.c
> index 6b45b0429fef..5498a1dbef63 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_vram.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_vram.c
> @@ -46,7 +46,7 @@ static int virtio_gpu_vram_mmap(struct drm_gem_object *obj,
>  		return -EINVAL;
>  
>  	vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node);
> -	vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_MIXEDMAP | VM_DONTEXPAND);
>  	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  	vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
>  	vma->vm_ops = &virtio_gpu_vram_vm_ops;
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
> index 265f7c48d856..8c8015528b6f 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
> @@ -97,7 +97,7 @@ int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
>  
>  	/* Use VM_PFNMAP rather than VM_MIXEDMAP if not a COW mapping */
>  	if (!is_cow_mapping(vma->vm_flags))
> -		vma->vm_flags = (vma->vm_flags & ~VM_MIXEDMAP) | VM_PFNMAP;
> +		mod_vm_flags(vma, VM_PFNMAP, VM_MIXEDMAP);
>  
>  	ttm_bo_put(bo); /* release extra ref taken by ttm_bo_mmap_obj() */
>  
> diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c
> index 4c95ebcdcc2d..18a93ad4aa1f 100644
> --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c
> +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c
> @@ -69,8 +69,7 @@ static int xen_drm_front_gem_object_mmap(struct drm_gem_object *gem_obj,
>  	 * vm_pgoff (used as a fake buffer offset by DRM) to 0 as we want to map
>  	 * the whole buffer.
>  	 */
> -	vma->vm_flags &= ~VM_PFNMAP;
> -	vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND;
> +	mod_vm_flags(vma, VM_MIXEDMAP | VM_DONTEXPAND, VM_PFNMAP);
>  	vma->vm_pgoff = 0;
>  
>  	/*
> diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c
> index 8069f795c864..952a31e742a1 100644
> --- a/drivers/hsi/clients/cmt_speech.c
> +++ b/drivers/hsi/clients/cmt_speech.c
> @@ -1264,7 +1264,7 @@ static int cs_char_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (vma_pages(vma) != 1)
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_DONTDUMP | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_IO | VM_DONTDUMP | VM_DONTEXPAND);
>  	vma->vm_ops = &cs_char_vm_ops;
>  	vma->vm_private_data = file->private_data;
>  
> diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
> index 6c8215a47a60..a6f178bf3ded 100644
> --- a/drivers/hwtracing/intel_th/msu.c
> +++ b/drivers/hwtracing/intel_th/msu.c
> @@ -1659,7 +1659,7 @@ static int intel_th_msc_mmap(struct file *file, struct vm_area_struct *vma)
>  		atomic_dec(&msc->user_count);
>  
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTCOPY;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTCOPY);
>  	vma->vm_ops = &msc_mmap_ops;
>  	return ret;
>  }
> diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
> index 2712e699ba08..9a59e61c4194 100644
> --- a/drivers/hwtracing/stm/core.c
> +++ b/drivers/hwtracing/stm/core.c
> @@ -715,7 +715,7 @@ static int stm_char_mmap(struct file *file, struct vm_area_struct *vma)
>  	pm_runtime_get_sync(&stm->dev);
>  
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &stm_mmap_vmops;
>  	vm_iomap_memory(vma, phys, size);
>  
> diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
> index f5f9269fdc16..7294f2d33bc6 100644
> --- a/drivers/infiniband/hw/hfi1/file_ops.c
> +++ b/drivers/infiniband/hw/hfi1/file_ops.c
> @@ -403,7 +403,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
>  			ret = -EPERM;
>  			goto done;
>  		}
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  		addr = vma->vm_start;
>  		for (i = 0 ; i < uctxt->egrbufs.numbufs; i++) {
>  			memlen = uctxt->egrbufs.buffers[i].len;
> @@ -528,7 +528,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
>  		goto done;
>  	}
>  
> -	vma->vm_flags = flags;
> +	reset_vm_flags(vma, flags);
>  	hfi1_cdbg(PROC,
>  		  "%u:%u type:%u io/vf:%d/%d, addr:0x%llx, len:%lu(%lu), flags:0x%lx\n",
>  		    ctxt, subctxt, type, mapio, vmf, memaddr, memlen,
> diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
> index c669ef6e47e7..538318c809b3 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -2087,7 +2087,7 @@ static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev,
>  
>  	if (vma->vm_flags & (VM_WRITE | VM_EXEC))
>  		return -EPERM;
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	if (!dev->mdev->clock_info)
>  		return -EOPNOTSUPP;
> @@ -2311,7 +2311,7 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm
>  
>  		if (vma->vm_flags & VM_WRITE)
>  			return -EPERM;
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  
>  		/* Don't expose to user-space information it shouldn't have */
>  		if (PAGE_SIZE > 4096)
> diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
> index 3937144b2ae5..16ef80df4b7f 100644
> --- a/drivers/infiniband/hw/qib/qib_file_ops.c
> +++ b/drivers/infiniband/hw/qib/qib_file_ops.c
> @@ -733,7 +733,7 @@ static int qib_mmap_mem(struct vm_area_struct *vma, struct qib_ctxtdata *rcd,
>  		}
>  
>  		/* don't allow them to later change with mprotect */
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  	}
>  
>  	pfn = virt_to_phys(kvaddr) >> PAGE_SHIFT;
> @@ -769,7 +769,7 @@ static int mmap_ureg(struct vm_area_struct *vma, struct qib_devdata *dd,
>  		phys = dd->physaddr + ureg;
>  		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  
> -		vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
> +		set_vm_flags(vma, VM_DONTCOPY | VM_DONTEXPAND);
>  		ret = io_remap_pfn_range(vma, vma->vm_start,
>  					 phys >> PAGE_SHIFT,
>  					 vma->vm_end - vma->vm_start,
> @@ -810,8 +810,7 @@ static int mmap_piobufs(struct vm_area_struct *vma,
>  	 * don't allow them to later change to readable with mprotect (for when
>  	 * not initially mapped readable, as is normally the case)
>  	 */
> -	vma->vm_flags &= ~VM_MAYREAD;
> -	vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
> +	mod_vm_flags(vma, VM_DONTCOPY | VM_DONTEXPAND, VM_MAYREAD);
>  
>  	/* We used PAT if wc_cookie == 0 */
>  	if (!dd->wc_cookie)
> @@ -852,7 +851,7 @@ static int mmap_rcvegrbufs(struct vm_area_struct *vma,
>  		goto bail;
>  	}
>  	/* don't allow them to later change to writable with mprotect */
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	start = vma->vm_start;
>  
> @@ -944,7 +943,7 @@ static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
>  		 * Don't allow permission to later change to writable
>  		 * with mprotect.
>  		 */
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  	} else
>  		goto bail;
>  	len = vma->vm_end - vma->vm_start;
> @@ -955,7 +954,7 @@ static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
>  
>  	vma->vm_pgoff = (unsigned long) addr >> PAGE_SHIFT;
>  	vma->vm_ops = &qib_file_vm_ops;
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	ret = 1;
>  
>  bail:
> diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> index 6e8c4fbb8083..6f9237c2a26b 100644
> --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> @@ -672,7 +672,7 @@ int usnic_ib_mmap(struct ib_ucontext *context,
>  	usnic_dbg("\n");
>  
>  	us_ibdev = to_usdev(context->device);
> -	vma->vm_flags |= VM_IO;
> +	set_vm_flags(vma, VM_IO);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vfid = vma->vm_pgoff;
>  	usnic_dbg("Page Offset %lu PAGE_SHIFT %u VFID %u\n",
> diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
> index 19176583dbde..7f1b7b5dd3f4 100644
> --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
> +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
> @@ -408,7 +408,7 @@ int pvrdma_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
>  	}
>  
>  	/* Map UAR to kernel space, VM_LOCKED? */
> -	vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTCOPY | VM_DONTEXPAND);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	if (io_remap_pfn_range(vma, start, context->uar.pfn, size,
>  			       vma->vm_page_prot))
> diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
> index 5f1175f8b349..e66ae399749e 100644
> --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
> +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
> @@ -293,7 +293,7 @@ static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma)
>  		return ret;
>  	}
>  
> -	vma->vm_flags		|= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_private_data	= &buf->handler;
>  	vma->vm_ops		= &vb2_common_vm_ops;
>  
> diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
> index 959b45beb1f3..edb47240ec17 100644
> --- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
> +++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
> @@ -185,7 +185,7 @@ static int vb2_vmalloc_mmap(void *buf_priv, struct vm_area_struct *vma)
>  	/*
>  	 * Make sure that vm_areas for 2 buffers won't be merged together
>  	 */
> -	vma->vm_flags		|= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  
>  	/*
>  	 * Use common vm_area operations to track buffer refcount.
> diff --git a/drivers/media/v4l2-core/videobuf-dma-contig.c b/drivers/media/v4l2-core/videobuf-dma-contig.c
> index f2c439359557..c030823185ba 100644
> --- a/drivers/media/v4l2-core/videobuf-dma-contig.c
> +++ b/drivers/media/v4l2-core/videobuf-dma-contig.c
> @@ -314,7 +314,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
>  	}
>  
>  	vma->vm_ops = &videobuf_vm_ops;
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  	vma->vm_private_data = map;
>  
>  	dev_dbg(q->dev, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
> diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c
> index 234e9f647c96..9adac4875f29 100644
> --- a/drivers/media/v4l2-core/videobuf-dma-sg.c
> +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c
> @@ -630,8 +630,8 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
>  	map->count    = 1;
>  	map->q        = q;
>  	vma->vm_ops   = &videobuf_vm_ops;
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> -	vma->vm_flags &= ~VM_IO; /* using shared anonymous pages */
> +	/* using shared anonymous pages */
> +	mod_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP, VM_IO);
>  	vma->vm_private_data = map;
>  	dprintk(1, "mmap %p: q=%p %08lx-%08lx pgoff %08lx bufs %d-%d\n",
>  		map, q, vma->vm_start, vma->vm_end, vma->vm_pgoff, first, last);
> diff --git a/drivers/media/v4l2-core/videobuf-vmalloc.c b/drivers/media/v4l2-core/videobuf-vmalloc.c
> index 9b2443720ab0..48d439ccd414 100644
> --- a/drivers/media/v4l2-core/videobuf-vmalloc.c
> +++ b/drivers/media/v4l2-core/videobuf-vmalloc.c
> @@ -247,7 +247,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
>  	}
>  
>  	vma->vm_ops          = &videobuf_vm_ops;
> -	vma->vm_flags       |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_private_data = map;
>  
>  	dprintk(1, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
> diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
> index acaa44809c58..17562e4efcb2 100644
> --- a/drivers/misc/cxl/context.c
> +++ b/drivers/misc/cxl/context.c
> @@ -220,7 +220,7 @@ int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma)
>  	pr_devel("%s: mmio physical: %llx pe: %i master:%i\n", __func__,
>  		 ctx->psn_phys, ctx->pe , ctx->master);
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vma->vm_ops = &cxl_mmap_vmops;
>  	return 0;
> diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c
> index 5e9ae7600d75..ad8eae764b9b 100644
> --- a/drivers/misc/habanalabs/common/memory.c
> +++ b/drivers/misc/habanalabs/common/memory.c
> @@ -2082,7 +2082,7 @@ static int hl_ts_mmap(struct hl_mmap_mem_buf *buf, struct vm_area_struct *vma, v
>  {
>  	struct hl_ts_buff *ts_buff = buf->private;
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_DONTCOPY | VM_NORESERVE;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP | VM_DONTCOPY | VM_NORESERVE);
>  	return remap_vmalloc_range(vma, ts_buff->user_buff_address, 0);
>  }
>  
> diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
> index 9f5e208701ba..4186f04da224 100644
> --- a/drivers/misc/habanalabs/gaudi/gaudi.c
> +++ b/drivers/misc/habanalabs/gaudi/gaudi.c
> @@ -4236,8 +4236,8 @@ static int gaudi_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
>  {
>  	int rc;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> -			VM_DONTCOPY | VM_NORESERVE;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> +			VM_DONTCOPY | VM_NORESERVE);
>  
>  	rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr,
>  				(dma_addr - HOST_PHYS_BASE), size);
> diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
> index e793fb2bdcbe..7311c3053944 100644
> --- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
> +++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c
> @@ -5538,8 +5538,8 @@ static int gaudi2_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
>  {
>  	int rc;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> -			VM_DONTCOPY | VM_NORESERVE;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> +			VM_DONTCOPY | VM_NORESERVE);
>  
>  #ifdef _HAS_DMA_MMAP_COHERENT
>  
> @@ -10116,8 +10116,8 @@ static int gaudi2_block_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
>  
>  	address = pci_resource_start(hdev->pdev, SRAM_CFG_BAR_ID) + offset_in_bar;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> -			VM_DONTCOPY | VM_NORESERVE;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> +			VM_DONTCOPY | VM_NORESERVE);
>  
>  	rc = remap_pfn_range(vma, vma->vm_start, address >> PAGE_SHIFT,
>  			block_size, vma->vm_page_prot);
> diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
> index 0f083fcf81a6..5e2aaa26ea29 100644
> --- a/drivers/misc/habanalabs/goya/goya.c
> +++ b/drivers/misc/habanalabs/goya/goya.c
> @@ -2880,8 +2880,8 @@ static int goya_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
>  {
>  	int rc;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> -			VM_DONTCOPY | VM_NORESERVE;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
> +			VM_DONTCOPY | VM_NORESERVE);
>  
>  	rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr,
>  				(dma_addr - HOST_PHYS_BASE), size);
> diff --git a/drivers/misc/ocxl/context.c b/drivers/misc/ocxl/context.c
> index 9eb0d93b01c6..e6f941248e93 100644
> --- a/drivers/misc/ocxl/context.c
> +++ b/drivers/misc/ocxl/context.c
> @@ -180,7 +180,7 @@ static int check_mmap_afu_irq(struct ocxl_context *ctx,
>  	if ((vma->vm_flags & VM_READ) || (vma->vm_flags & VM_EXEC) ||
>  		!(vma->vm_flags & VM_WRITE))
>  		return -EINVAL;
> -	vma->vm_flags &= ~(VM_MAYREAD | VM_MAYEXEC);
> +	clear_vm_flags(vma, VM_MAYREAD | VM_MAYEXEC);
>  	return 0;
>  }
>  
> @@ -204,7 +204,7 @@ int ocxl_context_mmap(struct ocxl_context *ctx, struct vm_area_struct *vma)
>  	if (rc)
>  		return rc;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vma->vm_ops = &ocxl_vmops;
>  	return 0;
> diff --git a/drivers/misc/ocxl/sysfs.c b/drivers/misc/ocxl/sysfs.c
> index 25c78df8055d..9398246cac79 100644
> --- a/drivers/misc/ocxl/sysfs.c
> +++ b/drivers/misc/ocxl/sysfs.c
> @@ -134,7 +134,7 @@ static int global_mmio_mmap(struct file *filp, struct kobject *kobj,
>  		(afu->config.global_mmio_size >> PAGE_SHIFT))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vma->vm_ops = &global_mmio_vmops;
>  	vma->vm_private_data = afu;
> diff --git a/drivers/misc/open-dice.c b/drivers/misc/open-dice.c
> index 9dda47b3fd70..61b4747270aa 100644
> --- a/drivers/misc/open-dice.c
> +++ b/drivers/misc/open-dice.c
> @@ -95,12 +95,12 @@ static int open_dice_mmap(struct file *filp, struct vm_area_struct *vma)
>  		if (vma->vm_flags & VM_WRITE)
>  			return -EPERM;
>  		/* Ensure userspace cannot acquire VM_WRITE later. */
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYSHARE);
>  	}
>  
>  	/* Create write-combine mapping so all clients observe a wipe. */
>  	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
> -	vma->vm_flags |= VM_DONTCOPY | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTCOPY | VM_DONTDUMP);
>  	return vm_iomap_memory(vma, drvdata->rmem->base, drvdata->rmem->size);
>  }
>  
> diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
> index 7ffcfc0bb587..8b777286d3b2 100644
> --- a/drivers/misc/sgi-gru/grufile.c
> +++ b/drivers/misc/sgi-gru/grufile.c
> @@ -101,8 +101,8 @@ static int gru_file_mmap(struct file *file, struct vm_area_struct *vma)
>  				vma->vm_end & (GRU_GSEG_PAGESIZE - 1))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_LOCKED |
> -			 VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_LOCKED |
> +			 VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_page_prot = PAGE_SHARED;
>  	vma->vm_ops = &gru_vm_ops;
>  
> diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c
> index 905eff1f840e..f57e91cdb0f6 100644
> --- a/drivers/misc/uacce/uacce.c
> +++ b/drivers/misc/uacce/uacce.c
> @@ -229,7 +229,7 @@ static int uacce_fops_mmap(struct file *filep, struct vm_area_struct *vma)
>  	if (!qfr)
>  		return -ENOMEM;
>  
> -	vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND | VM_WIPEONFORK;
> +	set_vm_flags(vma, VM_DONTCOPY | VM_DONTEXPAND | VM_WIPEONFORK);
>  	vma->vm_ops = &uacce_vm_ops;
>  	vma->vm_private_data = q;
>  	qfr->type = type;
> diff --git a/drivers/sbus/char/oradax.c b/drivers/sbus/char/oradax.c
> index 21b7cb6e7e70..a096734daad0 100644
> --- a/drivers/sbus/char/oradax.c
> +++ b/drivers/sbus/char/oradax.c
> @@ -389,7 +389,7 @@ static int dax_devmap(struct file *f, struct vm_area_struct *vma)
>  	/* completion area is mapped read-only for user */
>  	if (vma->vm_flags & VM_WRITE)
>  		return -EPERM;
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	if (remap_pfn_range(vma, vma->vm_start, ctx->ca_buf_ra >> PAGE_SHIFT,
>  			    len, vma->vm_page_prot))
> diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
> index 631eda2d467e..d386c25c2699 100644
> --- a/drivers/scsi/cxlflash/ocxl_hw.c
> +++ b/drivers/scsi/cxlflash/ocxl_hw.c
> @@ -1167,7 +1167,7 @@ static int afu_mmap(struct file *file, struct vm_area_struct *vma)
>  	    (ctx->psn_size >> PAGE_SHIFT))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	vma->vm_ops = &ocxlflash_vmops;
>  	return 0;
> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
> index ff9854f59964..7438adfe3bdc 100644
> --- a/drivers/scsi/sg.c
> +++ b/drivers/scsi/sg.c
> @@ -1288,7 +1288,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
>  	}
>  
>  	sfp->mmap_called = 1;
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_private_data = sfp;
>  	vma->vm_ops = &sg_mmap_vm_ops;
>  out:
> diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
> index 5e53eed8ae95..df1c944e5058 100644
> --- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
> +++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
> @@ -1072,7 +1072,7 @@ int hmm_bo_mmap(struct vm_area_struct *vma, struct hmm_buffer_object *bo)
>  	vma->vm_private_data = bo;
>  
>  	vma->vm_ops = &hmm_bo_vm_ops;
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	/*
>  	 * call hmm_bo_vm_open explicitly.
> diff --git a/drivers/staging/media/deprecated/meye/meye.c b/drivers/staging/media/deprecated/meye/meye.c
> index 5d87efd9b95c..2505e64d7119 100644
> --- a/drivers/staging/media/deprecated/meye/meye.c
> +++ b/drivers/staging/media/deprecated/meye/meye.c
> @@ -1476,8 +1476,8 @@ static int meye_mmap(struct file *file, struct vm_area_struct *vma)
>  	}
>  
>  	vma->vm_ops = &meye_vm_ops;
> -	vma->vm_flags &= ~VM_IO;	/* not I/O memory */
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	/* not I/O memory */
> +	mod_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP, VM_IO);
>  	vma->vm_private_data = (void *) (offset / gbufsize);
>  	meye_vm_open(vma);
>  
> diff --git a/drivers/staging/media/deprecated/stkwebcam/stk-webcam.c b/drivers/staging/media/deprecated/stkwebcam/stk-webcam.c
> index 787edb3d47c2..196d1034f104 100644
> --- a/drivers/staging/media/deprecated/stkwebcam/stk-webcam.c
> +++ b/drivers/staging/media/deprecated/stkwebcam/stk-webcam.c
> @@ -779,7 +779,7 @@ static int v4l_stk_mmap(struct file *fp, struct vm_area_struct *vma)
>  	ret = remap_vmalloc_range(vma, sbuf->buffer, 0);
>  	if (ret)
>  		return ret;
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  	vma->vm_private_data = sbuf;
>  	vma->vm_ops = &stk_v4l_vm_ops;
>  	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_MAPPED;
> diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
> index 2940559c3086..9fd64259904c 100644
> --- a/drivers/target/target_core_user.c
> +++ b/drivers/target/target_core_user.c
> @@ -1928,7 +1928,7 @@ static int tcmu_mmap(struct uio_info *info, struct vm_area_struct *vma)
>  {
>  	struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info);
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &tcmu_vm_ops;
>  
>  	vma->vm_private_data = udev;
> diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
> index 43afbb7c5ab9..08802744f3b7 100644
> --- a/drivers/uio/uio.c
> +++ b/drivers/uio/uio.c
> @@ -713,7 +713,7 @@ static const struct vm_operations_struct uio_logical_vm_ops = {
>  
>  static int uio_mmap_logical(struct vm_area_struct *vma)
>  {
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &uio_logical_vm_ops;
>  	return 0;
>  }
> diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
> index 837f3e57f580..d9aefa259883 100644
> --- a/drivers/usb/core/devio.c
> +++ b/drivers/usb/core/devio.c
> @@ -279,8 +279,7 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma)
>  		}
>  	}
>  
> -	vma->vm_flags |= VM_IO;
> -	vma->vm_flags |= (VM_DONTEXPAND | VM_DONTDUMP);
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &usbdev_vm_ops;
>  	vma->vm_private_data = usbm;
>  
> diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
> index 094e812e9e69..9b2d48a65fdf 100644
> --- a/drivers/usb/mon/mon_bin.c
> +++ b/drivers/usb/mon/mon_bin.c
> @@ -1272,8 +1272,7 @@ static int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma)
>  	if (vma->vm_flags & VM_WRITE)
>  		return -EPERM;
>  
> -	vma->vm_flags &= ~VM_MAYWRITE;
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	mod_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP, VM_MAYWRITE);
>  	vma->vm_private_data = filp->private_data;
>  	mon_bin_vma_open(vma);
>  	return 0;
> diff --git a/drivers/vdpa/vdpa_user/iova_domain.c b/drivers/vdpa/vdpa_user/iova_domain.c
> index e682bc7ee6c9..39dcce2e455b 100644
> --- a/drivers/vdpa/vdpa_user/iova_domain.c
> +++ b/drivers/vdpa/vdpa_user/iova_domain.c
> @@ -512,7 +512,7 @@ static int vduse_domain_mmap(struct file *file, struct vm_area_struct *vma)
>  {
>  	struct vduse_iova_domain *domain = file->private_data;
>  
> -	vma->vm_flags |= VM_DONTDUMP | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTDUMP | VM_DONTEXPAND);
>  	vma->vm_private_data = domain;
>  	vma->vm_ops = &vduse_domain_mmap_ops;
>  
> diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
> index 26a541cc64d1..86eb3fc9ffb4 100644
> --- a/drivers/vfio/pci/vfio_pci_core.c
> +++ b/drivers/vfio/pci/vfio_pci_core.c
> @@ -1799,7 +1799,7 @@ int vfio_pci_core_mmap(struct vfio_device *core_vdev, struct vm_area_struct *vma
>  	 * See remap_pfn_range(), called from vfio_pci_fault() but we can't
>  	 * change vm_flags within the fault handler.  Set them now.
>  	 */
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &vfio_pci_mmap_ops;
>  
>  	return 0;
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index ec32f785dfde..7b81994a7d02 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -1315,7 +1315,7 @@ static int vhost_vdpa_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (vma->vm_end - vma->vm_start != notify.size)
>  		return -ENOTSUPP;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &vhost_vdpa_vm_ops;
>  	return 0;
>  }
> diff --git a/drivers/video/fbdev/68328fb.c b/drivers/video/fbdev/68328fb.c
> index 7db03ed77c76..a794a740af10 100644
> --- a/drivers/video/fbdev/68328fb.c
> +++ b/drivers/video/fbdev/68328fb.c
> @@ -391,7 +391,7 @@ static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
>  #ifndef MMU
>  	/* this is uClinux (no MMU) specific code */
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_start = videomemory;
>  
>  	return 0;
> diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
> index c730253ab85c..af0bfaa2d014 100644
> --- a/drivers/video/fbdev/core/fb_defio.c
> +++ b/drivers/video/fbdev/core/fb_defio.c
> @@ -232,9 +232,9 @@ static const struct address_space_operations fb_deferred_io_aops = {
>  int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
>  {
>  	vma->vm_ops = &fb_deferred_io_vm_ops;
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	if (!(info->flags & FBINFO_VIRTFB))
> -		vma->vm_flags |= VM_IO;
> +		set_vm_flags(vma, VM_IO);
>  	vma->vm_private_data = info;
>  	return 0;
>  }
> diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
> index a15729beb9d1..ee4a8958dc68 100644
> --- a/drivers/xen/gntalloc.c
> +++ b/drivers/xen/gntalloc.c
> @@ -525,7 +525,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
>  
>  	vma->vm_private_data = vm_priv;
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	vma->vm_ops = &gntalloc_vmops;
>  
> diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
> index 4d9a3050de6a..6d5bb1ebb661 100644
> --- a/drivers/xen/gntdev.c
> +++ b/drivers/xen/gntdev.c
> @@ -1055,10 +1055,10 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
>  
>  	vma->vm_ops = &gntdev_vmops;
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP);
>  
>  	if (use_ptemod)
> -		vma->vm_flags |= VM_DONTCOPY;
> +		set_vm_flags(vma, VM_DONTCOPY);
>  
>  	vma->vm_private_data = map;
>  	if (map->flags) {
> diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
> index dd5bbb6e1b6b..037547918630 100644
> --- a/drivers/xen/privcmd-buf.c
> +++ b/drivers/xen/privcmd-buf.c
> @@ -156,7 +156,7 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
>  	vma_priv->file_priv = file_priv;
>  	vma_priv->users = 1;
>  
> -	vma->vm_flags |= VM_IO | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_IO | VM_DONTEXPAND);
>  	vma->vm_ops = &privcmd_buf_vm_ops;
>  	vma->vm_private_data = vma_priv;
>  
> diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
> index 1edf45ee9890..4c8cfc6f86d8 100644
> --- a/drivers/xen/privcmd.c
> +++ b/drivers/xen/privcmd.c
> @@ -934,8 +934,8 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma)
>  {
>  	/* DONTCOPY is essential for Xen because copy_page_range doesn't know
>  	 * how to recreate these mappings */
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTCOPY |
> -			 VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTCOPY |
> +			 VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &privcmd_vm_ops;
>  	vma->vm_private_data = NULL;
>  
> diff --git a/fs/aio.c b/fs/aio.c
> index 650cd795aa7e..4106b3209e5e 100644
> --- a/fs/aio.c
> +++ b/fs/aio.c
> @@ -392,7 +392,7 @@ static const struct vm_operations_struct aio_ring_vm_ops = {
>  
>  static int aio_ring_mmap(struct file *file, struct vm_area_struct *vma)
>  {
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  	vma->vm_ops = &aio_ring_vm_ops;
>  	return 0;
>  }
> diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
> index 50e4e060db68..aa8695e685aa 100644
> --- a/fs/cramfs/inode.c
> +++ b/fs/cramfs/inode.c
> @@ -408,7 +408,7 @@ static int cramfs_physmem_mmap(struct file *file, struct vm_area_struct *vma)
>  		 * unpopulated ptes via cramfs_read_folio().
>  		 */
>  		int i;
> -		vma->vm_flags |= VM_MIXEDMAP;
> +		set_vm_flags(vma, VM_MIXEDMAP);
>  		for (i = 0; i < pages && !ret; i++) {
>  			vm_fault_t vmf;
>  			unsigned long off = i * PAGE_SIZE;
> diff --git a/fs/erofs/data.c b/fs/erofs/data.c
> index f57f921683d7..e6413ced2bb1 100644
> --- a/fs/erofs/data.c
> +++ b/fs/erofs/data.c
> @@ -429,7 +429,7 @@ static int erofs_file_mmap(struct file *file, struct vm_area_struct *vma)
>  		return -EINVAL;
>  
>  	vma->vm_ops = &erofs_dax_vm_ops;
> -	vma->vm_flags |= VM_HUGEPAGE;
> +	set_vm_flags(vma, VM_HUGEPAGE);
>  	return 0;
>  }
>  #else
> diff --git a/fs/exec.c b/fs/exec.c
> index c0df813d2b45..ed499e850970 100644
> --- a/fs/exec.c
> +++ b/fs/exec.c
> @@ -270,7 +270,7 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
>  	BUILD_BUG_ON(VM_STACK_FLAGS & VM_STACK_INCOMPLETE_SETUP);
>  	vma->vm_end = STACK_TOP_MAX;
>  	vma->vm_start = vma->vm_end - PAGE_SIZE;
> -	vma->vm_flags = VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
> +	init_vm_flags(vma, VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP);
>  	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
>  
>  	err = insert_vm_struct(mm, vma);
> @@ -834,7 +834,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
>  	}
>  
>  	/* mprotect_fixup is overkill to remove the temporary stack flags */
> -	vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
> +	clear_vm_flags(vma, VM_STACK_INCOMPLETE_SETUP);
>  
>  	stack_expand = 131072UL; /* randomly 32*4k (or 2*64k) pages */
>  	stack_size = vma->vm_end - vma->vm_start;
> diff --git a/fs/ext4/file.c b/fs/ext4/file.c
> index 7ac0a81bd371..baeb385b07c7 100644
> --- a/fs/ext4/file.c
> +++ b/fs/ext4/file.c
> @@ -801,7 +801,7 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
>  	file_accessed(file);
>  	if (IS_DAX(file_inode(file))) {
>  		vma->vm_ops = &ext4_dax_vm_ops;
> -		vma->vm_flags |= VM_HUGEPAGE;
> +		set_vm_flags(vma, VM_HUGEPAGE);
>  	} else {
>  		vma->vm_ops = &ext4_file_vm_ops;
>  	}
> diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
> index e23e802a8013..599969edc869 100644
> --- a/fs/fuse/dax.c
> +++ b/fs/fuse/dax.c
> @@ -860,7 +860,7 @@ int fuse_dax_mmap(struct file *file, struct vm_area_struct *vma)
>  {
>  	file_accessed(file);
>  	vma->vm_ops = &fuse_dax_vm_ops;
> -	vma->vm_flags |= VM_MIXEDMAP | VM_HUGEPAGE;
> +	set_vm_flags(vma, VM_MIXEDMAP | VM_HUGEPAGE);
>  	return 0;
>  }
>  
> diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
> index 48f1a8ad2243..b0f59d8a7b09 100644
> --- a/fs/hugetlbfs/inode.c
> +++ b/fs/hugetlbfs/inode.c
> @@ -132,7 +132,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
>  	 * way when do_mmap unwinds (may be important on powerpc
>  	 * and ia64).
>  	 */
> -	vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_HUGETLB | VM_DONTEXPAND);
>  	vma->vm_ops = &hugetlb_vm_ops;
>  
>  	ret = seal_check_future_write(info->seals, vma);
> @@ -811,7 +811,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
>  	 * as input to create an allocation policy.
>  	 */
>  	vma_init(&pseudo_vma, mm);
> -	pseudo_vma.vm_flags = (VM_HUGETLB | VM_MAYSHARE | VM_SHARED);
> +	init_vm_flags(&pseudo_vma, VM_HUGETLB | VM_MAYSHARE | VM_SHARED);
>  	pseudo_vma.vm_file = file;
>  
>  	for (index = start; index < end; index++) {
> diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
> index 167fa43b24f9..0f668db6bcf3 100644
> --- a/fs/orangefs/file.c
> +++ b/fs/orangefs/file.c
> @@ -389,8 +389,7 @@ static int orangefs_file_mmap(struct file *file, struct vm_area_struct *vma)
>  		     "orangefs_file_mmap: called on %pD\n", file);
>  
>  	/* set the sequential readahead hint */
> -	vma->vm_flags |= VM_SEQ_READ;
> -	vma->vm_flags &= ~VM_RAND_READ;
> +	mod_vm_flags(vma, VM_SEQ_READ, VM_RAND_READ);
>  
>  	file_accessed(file);
>  	vma->vm_ops = &orangefs_file_vm_ops;
> diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
> index f937c4cd0214..9018645a359c 100644
> --- a/fs/proc/task_mmu.c
> +++ b/fs/proc/task_mmu.c
> @@ -1301,7 +1301,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
>  			for_each_vma(vmi, vma) {
>  				if (!(vma->vm_flags & VM_SOFTDIRTY))
>  					continue;
> -				vma->vm_flags &= ~VM_SOFTDIRTY;
> +				clear_vm_flags(vma, VM_SOFTDIRTY);
>  				vma_set_page_prot(vma);
>  			}
>  
> diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
> index 09a81e4b1273..858e4e804f85 100644
> --- a/fs/proc/vmcore.c
> +++ b/fs/proc/vmcore.c
> @@ -582,8 +582,7 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)
>  	if (vma->vm_flags & (VM_WRITE | VM_EXEC))
>  		return -EPERM;
>  
> -	vma->vm_flags &= ~(VM_MAYWRITE | VM_MAYEXEC);
> -	vma->vm_flags |= VM_MIXEDMAP;
> +	mod_vm_flags(vma, VM_MIXEDMAP, VM_MAYWRITE | VM_MAYEXEC);
>  	vma->vm_ops = &vmcore_mmap_ops;
>  
>  	len = 0;
> diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
> index f3c75c6222de..40030059db53 100644
> --- a/fs/userfaultfd.c
> +++ b/fs/userfaultfd.c
> @@ -113,7 +113,7 @@ static void userfaultfd_set_vm_flags(struct vm_area_struct *vma,
>  {
>  	const bool uffd_wp_changed = (vma->vm_flags ^ flags) & VM_UFFD_WP;
>  
> -	vma->vm_flags = flags;
> +	reset_vm_flags(vma, flags);
>  	/*
>  	 * For shared mappings, we want to enable writenotify while
>  	 * userfaultfd-wp is enabled (see vma_wants_writenotify()). We'll simply
> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
> index 595a5bcf46b9..bf777fed0dd4 100644
> --- a/fs/xfs/xfs_file.c
> +++ b/fs/xfs/xfs_file.c
> @@ -1429,7 +1429,7 @@ xfs_file_mmap(
>  	file_accessed(file);
>  	vma->vm_ops = &xfs_file_vm_ops;
>  	if (IS_DAX(inode))
> -		vma->vm_flags |= VM_HUGEPAGE;
> +		set_vm_flags(vma, VM_HUGEPAGE);
>  	return 0;
>  }
>  
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index da62bdd627bf..55335edd1373 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -3652,7 +3652,7 @@ static inline int seal_check_future_write(int seals, struct vm_area_struct *vma)
>  		 * VM_MAYWRITE as we still want them to be COW-writable.
>  		 */
>  		if (vma->vm_flags & VM_SHARED)
> -			vma->vm_flags &= ~(VM_MAYWRITE);
> +			clear_vm_flags(vma, VM_MAYWRITE);
>  	}
>  
>  	return 0;
> diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
> index 80f4b4d88aaf..d2c967cc2873 100644
> --- a/kernel/bpf/ringbuf.c
> +++ b/kernel/bpf/ringbuf.c
> @@ -269,7 +269,7 @@ static int ringbuf_map_mmap_kern(struct bpf_map *map, struct vm_area_struct *vma
>  		if (vma->vm_pgoff != 0 || vma->vm_end - vma->vm_start != PAGE_SIZE)
>  			return -EPERM;
>  	} else {
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  	}
>  	/* remap_vmalloc_range() checks size and offset constraints */
>  	return remap_vmalloc_range(vma, rb_map->rb,
> @@ -290,7 +290,7 @@ static int ringbuf_map_mmap_user(struct bpf_map *map, struct vm_area_struct *vma
>  			 */
>  			return -EPERM;
>  	} else {
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  	}
>  	/* remap_vmalloc_range() checks size and offset constraints */
>  	return remap_vmalloc_range(vma, rb_map->rb, vma->vm_pgoff + RINGBUF_PGOFF);
> diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
> index 64131f88c553..db19094c7ac7 100644
> --- a/kernel/bpf/syscall.c
> +++ b/kernel/bpf/syscall.c
> @@ -882,10 +882,10 @@ static int bpf_map_mmap(struct file *filp, struct vm_area_struct *vma)
>  	/* set default open/close callbacks */
>  	vma->vm_ops = &bpf_map_default_vmops;
>  	vma->vm_private_data = map;
> -	vma->vm_flags &= ~VM_MAYEXEC;
> +	clear_vm_flags(vma, VM_MAYEXEC);
>  	if (!(vma->vm_flags & VM_WRITE))
>  		/* disallow re-mapping with PROT_WRITE */
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	err = map->ops->map_mmap(map, vma);
>  	if (err)
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index d56328e5080e..6745460dcf49 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -6573,7 +6573,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
>  	 * Since pinned accounting is per vm we cannot allow fork() to copy our
>  	 * vma.
>  	 */
> -	vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &perf_mmap_vmops;
>  
>  	if (event->pmu->event_mapped)
> diff --git a/kernel/kcov.c b/kernel/kcov.c
> index e5cd09fd8a05..27fc1e26e1e1 100644
> --- a/kernel/kcov.c
> +++ b/kernel/kcov.c
> @@ -489,7 +489,7 @@ static int kcov_mmap(struct file *filep, struct vm_area_struct *vma)
>  		goto exit;
>  	}
>  	spin_unlock_irqrestore(&kcov->lock, flags);
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  	for (off = 0; off < size; off += PAGE_SIZE) {
>  		page = vmalloc_to_page(kcov->area + off);
>  		res = vm_insert_page(vma, vma->vm_start + off, page);
> diff --git a/kernel/relay.c b/kernel/relay.c
> index ef12532168d9..085aa8707bc2 100644
> --- a/kernel/relay.c
> +++ b/kernel/relay.c
> @@ -91,7 +91,7 @@ static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma)
>  		return -EINVAL;
>  
>  	vma->vm_ops = &relay_file_mmap_ops;
> -	vma->vm_flags |= VM_DONTEXPAND;
> +	set_vm_flags(vma, VM_DONTEXPAND);
>  	vma->vm_private_data = buf;
>  
>  	return 0;
> diff --git a/mm/madvise.c b/mm/madvise.c
> index 7db6622f8293..74941a9784b4 100644
> --- a/mm/madvise.c
> +++ b/mm/madvise.c
> @@ -176,7 +176,7 @@ static int madvise_update_vma(struct vm_area_struct *vma,
>  	/*
>  	 * vm_flags is protected by the mmap_lock held in write mode.
>  	 */
> -	vma->vm_flags = new_flags;
> +	reset_vm_flags(vma, new_flags);
>  	if (!vma->vm_file || vma_is_anon_shmem(vma)) {
>  		error = replace_anon_vma_name(vma, anon_name);
>  		if (error)
> diff --git a/mm/memory.c b/mm/memory.c
> index ec833a2e0601..d6902065e558 100644
> --- a/mm/memory.c
> +++ b/mm/memory.c
> @@ -1928,7 +1928,7 @@ int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr,
>  	if (!(vma->vm_flags & VM_MIXEDMAP)) {
>  		BUG_ON(mmap_read_trylock(vma->vm_mm));
>  		BUG_ON(vma->vm_flags & VM_PFNMAP);
> -		vma->vm_flags |= VM_MIXEDMAP;
> +		set_vm_flags(vma, VM_MIXEDMAP);
>  	}
>  	/* Defer page refcount checking till we're about to map that page. */
>  	return insert_pages(vma, addr, pages, num, vma->vm_page_prot);
> @@ -1986,7 +1986,7 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
>  	if (!(vma->vm_flags & VM_MIXEDMAP)) {
>  		BUG_ON(mmap_read_trylock(vma->vm_mm));
>  		BUG_ON(vma->vm_flags & VM_PFNMAP);
> -		vma->vm_flags |= VM_MIXEDMAP;
> +		set_vm_flags(vma, VM_MIXEDMAP);
>  	}
>  	return insert_page(vma, addr, page, vma->vm_page_prot);
>  }
> @@ -2452,7 +2452,7 @@ int remap_pfn_range_notrack(struct vm_area_struct *vma, unsigned long addr,
>  		vma->vm_pgoff = pfn;
>  	}
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	BUG_ON(addr >= end);
>  	pfn -= addr >> PAGE_SHIFT;
> diff --git a/mm/mlock.c b/mm/mlock.c
> index 5c4fff93cd6b..5b2431221b4d 100644
> --- a/mm/mlock.c
> +++ b/mm/mlock.c
> @@ -380,7 +380,7 @@ static void mlock_vma_pages_range(struct vm_area_struct *vma,
>  	 */
>  	if (newflags & VM_LOCKED)
>  		newflags |= VM_IO;
> -	WRITE_ONCE(vma->vm_flags, newflags);
> +	reset_vm_flags(vma, newflags);
>  
>  	lru_add_drain();
>  	walk_page_range(vma->vm_mm, start, end, &mlock_walk_ops, NULL);
> @@ -388,7 +388,7 @@ static void mlock_vma_pages_range(struct vm_area_struct *vma,
>  
>  	if (newflags & VM_IO) {
>  		newflags &= ~VM_IO;
> -		WRITE_ONCE(vma->vm_flags, newflags);
> +		reset_vm_flags(vma, newflags);
>  	}
>  }
>  
> @@ -457,7 +457,7 @@ static int mlock_fixup(struct vma_iterator *vmi, struct vm_area_struct *vma,
>  
>  	if ((newflags & VM_LOCKED) && (oldflags & VM_LOCKED)) {
>  		/* No work to do, and mlocking twice would be wrong */
> -		vma->vm_flags = newflags;
> +		reset_vm_flags(vma, newflags);
>  	} else {
>  		mlock_vma_pages_range(vma, start, end, newflags);
>  	}
> diff --git a/mm/mmap.c b/mm/mmap.c
> index 323bd253b25a..2c6e9072e6a8 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -2558,7 +2558,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
>  	vma_iter_set(&vmi, addr);
>  	vma->vm_start = addr;
>  	vma->vm_end = end;
> -	vma->vm_flags = vm_flags;
> +	init_vm_flags(vma, vm_flags);
>  	vma->vm_page_prot = vm_get_page_prot(vm_flags);
>  	vma->vm_pgoff = pgoff;
>  
> @@ -2686,7 +2686,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
>  	 * then new mapped in-place (which must be aimed as
>  	 * a completely new data area).
>  	 */
> -	vma->vm_flags |= VM_SOFTDIRTY;
> +	set_vm_flags(vma, VM_SOFTDIRTY);
>  
>  	vma_set_page_prot(vma);
>  
> @@ -2911,7 +2911,7 @@ static int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *vma,
>  		init_vma_prep(&vp, vma);
>  		vma_prepare(&vp);
>  		vma->vm_end = addr + len;
> -		vma->vm_flags |= VM_SOFTDIRTY;
> +		set_vm_flags(vma, VM_SOFTDIRTY);
>  		vma_iter_store(vmi, vma);
>  
>  		vma_complete(&vp, vmi, mm);
> @@ -2928,7 +2928,7 @@ static int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *vma,
>  	vma->vm_start = addr;
>  	vma->vm_end = addr + len;
>  	vma->vm_pgoff = addr >> PAGE_SHIFT;
> -	vma->vm_flags = flags;
> +	init_vm_flags(vma, flags);
>  	vma->vm_page_prot = vm_get_page_prot(flags);
>  	if (vma_iter_store_gfp(vmi, vma, GFP_KERNEL))
>  		goto mas_store_fail;
> @@ -2940,7 +2940,7 @@ static int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *vma,
>  	mm->data_vm += len >> PAGE_SHIFT;
>  	if (flags & VM_LOCKED)
>  		mm->locked_vm += (len >> PAGE_SHIFT);
> -	vma->vm_flags |= VM_SOFTDIRTY;
> +	set_vm_flags(vma, VM_SOFTDIRTY);
>  	validate_mm(mm);
>  	return 0;
>  
> diff --git a/mm/mprotect.c b/mm/mprotect.c
> index cce6a0e58fb5..fba770d889ea 100644
> --- a/mm/mprotect.c
> +++ b/mm/mprotect.c
> @@ -670,7 +670,7 @@ mprotect_fixup(struct vma_iterator *vmi, struct mmu_gather *tlb,
>  	 * vm_flags and vm_page_prot are protected by the mmap_lock
>  	 * held in write mode.
>  	 */
> -	vma->vm_flags = newflags;
> +	reset_vm_flags(vma, newflags);
>  	if (vma_wants_manual_pte_write_upgrade(vma))
>  		mm_cp_flags |= MM_CP_TRY_CHANGE_WRITABLE;
>  	vma_set_page_prot(vma);
> diff --git a/mm/mremap.c b/mm/mremap.c
> index 35db9752cb6a..0f3c78e8eea5 100644
> --- a/mm/mremap.c
> +++ b/mm/mremap.c
> @@ -662,7 +662,7 @@ static unsigned long move_vma(struct vm_area_struct *vma,
>  
>  	/* Conceal VM_ACCOUNT so old reservation is not undone */
>  	if (vm_flags & VM_ACCOUNT && !(flags & MREMAP_DONTUNMAP)) {
> -		vma->vm_flags &= ~VM_ACCOUNT;
> +		clear_vm_flags(vma, VM_ACCOUNT);
>  		if (vma->vm_start < old_addr)
>  			account_start = vma->vm_start;
>  		if (vma->vm_end > old_addr + old_len)
> @@ -718,12 +718,12 @@ static unsigned long move_vma(struct vm_area_struct *vma,
>  	/* Restore VM_ACCOUNT if one or two pieces of vma left */
>  	if (account_start) {
>  		vma = vma_prev(&vmi);
> -		vma->vm_flags |= VM_ACCOUNT;
> +		set_vm_flags(vma, VM_ACCOUNT);
>  	}
>  
>  	if (account_end) {
>  		vma = vma_next(&vmi);
> -		vma->vm_flags |= VM_ACCOUNT;
> +		set_vm_flags(vma, VM_ACCOUNT);
>  	}
>  
>  	return new_addr;
> diff --git a/mm/nommu.c b/mm/nommu.c
> index 9a166738909e..93d052b5a0c2 100644
> --- a/mm/nommu.c
> +++ b/mm/nommu.c
> @@ -173,7 +173,7 @@ static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
>  		mmap_write_lock(current->mm);
>  		vma = find_vma(current->mm, (unsigned long)ret);
>  		if (vma)
> -			vma->vm_flags |= VM_USERMAP;
> +			set_vm_flags(vma, VM_USERMAP);
>  		mmap_write_unlock(current->mm);
>  	}
>  
> @@ -950,7 +950,8 @@ static int do_mmap_private(struct vm_area_struct *vma,
>  
>  	atomic_long_add(total, &mmap_pages_allocated);
>  
> -	region->vm_flags = vma->vm_flags |= VM_MAPPED_COPY;
> +	set_vm_flags(vma, VM_MAPPED_COPY);
> +	region->vm_flags = vma->flags;
>  	region->vm_start = (unsigned long) base;
>  	region->vm_end   = region->vm_start + len;
>  	region->vm_top   = region->vm_start + (total << PAGE_SHIFT);
> @@ -1047,7 +1048,7 @@ unsigned long do_mmap(struct file *file,
>  	region->vm_flags = vm_flags;
>  	region->vm_pgoff = pgoff;
>  
> -	vma->vm_flags = vm_flags;
> +	init_vm_flags(vma, vm_flags);
>  	vma->vm_pgoff = pgoff;
>  
>  	if (file) {
> @@ -1111,7 +1112,7 @@ unsigned long do_mmap(struct file *file,
>  			vma->vm_end = start + len;
>  
>  			if (pregion->vm_flags & VM_MAPPED_COPY)
> -				vma->vm_flags |= VM_MAPPED_COPY;
> +				set_vm_flags(vma, VM_MAPPED_COPY);
>  			else {
>  				ret = do_mmap_shared_file(vma);
>  				if (ret < 0) {
> @@ -1601,7 +1602,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
>  	if (addr != (pfn << PAGE_SHIFT))
>  		return -EINVAL;
>  
> -	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP);
>  	return 0;
>  }
>  EXPORT_SYMBOL(remap_pfn_range);
> diff --git a/mm/secretmem.c b/mm/secretmem.c
> index be3fff86ba00..236a1b6b4100 100644
> --- a/mm/secretmem.c
> +++ b/mm/secretmem.c
> @@ -128,7 +128,7 @@ static int secretmem_mmap(struct file *file, struct vm_area_struct *vma)
>  	if (mlock_future_check(vma->vm_mm, vma->vm_flags | VM_LOCKED, len))
>  		return -EAGAIN;
>  
> -	vma->vm_flags |= VM_LOCKED | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_LOCKED | VM_DONTDUMP);
>  	vma->vm_ops = &secretmem_vm_ops;
>  
>  	return 0;
> diff --git a/mm/shmem.c b/mm/shmem.c
> index 9e1015cbad29..3d7fc7a979c6 100644
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -2304,7 +2304,7 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
>  		return ret;
>  
>  	/* arm64 - allow memory tagging on RAM-based files */
> -	vma->vm_flags |= VM_MTE_ALLOWED;
> +	set_vm_flags(vma, VM_MTE_ALLOWED);
>  
>  	file_accessed(file);
>  	/* This is anonymous shared memory if it is unlinked at the time of mmap */
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index dfde5324e480..8fccba7aa514 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -3682,7 +3682,7 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
>  		size -= PAGE_SIZE;
>  	} while (size > 0);
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  
>  	return 0;
>  }
> diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
> index f713c0422f0f..cfa2e8a92fcb 100644
> --- a/net/ipv4/tcp.c
> +++ b/net/ipv4/tcp.c
> @@ -1890,10 +1890,10 @@ int tcp_mmap(struct file *file, struct socket *sock,
>  {
>  	if (vma->vm_flags & (VM_WRITE | VM_EXEC))
>  		return -EPERM;
> -	vma->vm_flags &= ~(VM_MAYWRITE | VM_MAYEXEC);
> +	clear_vm_flags(vma, VM_MAYWRITE | VM_MAYEXEC);
>  
>  	/* Instruct vm_insert_page() to not mmap_read_lock(mm) */
> -	vma->vm_flags |= VM_MIXEDMAP;
> +	set_vm_flags(vma, VM_MIXEDMAP);
>  
>  	vma->vm_ops = &tcp_vm_ops;
>  	return 0;
> diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
> index 0a6894cdc54d..9037deb5979e 100644
> --- a/security/selinux/selinuxfs.c
> +++ b/security/selinux/selinuxfs.c
> @@ -262,7 +262,7 @@ static int sel_mmap_handle_status(struct file *filp,
>  	if (vma->vm_flags & VM_WRITE)
>  		return -EPERM;
>  	/* disallow mprotect() turns it into writable */
> -	vma->vm_flags &= ~VM_MAYWRITE;
> +	clear_vm_flags(vma, VM_MAYWRITE);
>  
>  	return remap_pfn_range(vma, vma->vm_start,
>  			       page_to_pfn(status),
> @@ -506,13 +506,13 @@ static int sel_mmap_policy(struct file *filp, struct vm_area_struct *vma)
>  {
>  	if (vma->vm_flags & VM_SHARED) {
>  		/* do not allow mprotect to make mapping writable */
> -		vma->vm_flags &= ~VM_MAYWRITE;
> +		clear_vm_flags(vma, VM_MAYWRITE);
>  
>  		if (vma->vm_flags & VM_WRITE)
>  			return -EACCES;
>  	}
>  
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_ops = &sel_mmap_policy_ops;
>  
>  	return 0;
> diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
> index ac2efeb63a39..52473e2acd07 100644
> --- a/sound/core/oss/pcm_oss.c
> +++ b/sound/core/oss/pcm_oss.c
> @@ -2910,7 +2910,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
>  	}
>  	/* set VM_READ access as well to fix memset() routines that do
>  	   reads before writes (to improve performance) */
> -	area->vm_flags |= VM_READ;
> +	set_vm_flags(area, VM_READ);
>  	if (substream == NULL)
>  		return -ENXIO;
>  	runtime = substream->runtime;
> diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
> index 9c122e757efe..f716bdb70afe 100644
> --- a/sound/core/pcm_native.c
> +++ b/sound/core/pcm_native.c
> @@ -3675,8 +3675,9 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file
>  		return -EINVAL;
>  	area->vm_ops = &snd_pcm_vm_ops_status;
>  	area->vm_private_data = substream;
> -	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> -	area->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
> +	mod_vm_flags(area, VM_DONTEXPAND | VM_DONTDUMP,
> +		     VM_WRITE | VM_MAYWRITE);
> +
>  	return 0;
>  }
>  
> @@ -3712,7 +3713,7 @@ static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file
>  		return -EINVAL;
>  	area->vm_ops = &snd_pcm_vm_ops_control;
>  	area->vm_private_data = substream;
> -	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(area, VM_DONTEXPAND | VM_DONTDUMP);
>  	return 0;
>  }
>  
> @@ -3828,7 +3829,7 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
>  int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
>  			     struct vm_area_struct *area)
>  {
> -	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(area, VM_DONTEXPAND | VM_DONTDUMP);
>  	if (!substream->ops->page &&
>  	    !snd_dma_buffer_mmap(snd_pcm_get_dma_buf(substream), area))
>  		return 0;
> diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c
> index fb5a4390443f..fdd72d9bb46c 100644
> --- a/sound/soc/pxa/mmp-sspa.c
> +++ b/sound/soc/pxa/mmp-sspa.c
> @@ -404,7 +404,7 @@ static int mmp_pcm_mmap(struct snd_soc_component *component,
>  			struct snd_pcm_substream *substream,
>  			struct vm_area_struct *vma)
>  {
> -	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(vma, VM_DONTEXPAND | VM_DONTDUMP);
>  	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
>  	return remap_pfn_range(vma, vma->vm_start,
>  		substream->dma_buffer.addr >> PAGE_SHIFT,
> diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
> index e558931cce16..b51db622a69b 100644
> --- a/sound/usb/usx2y/us122l.c
> +++ b/sound/usb/usx2y/us122l.c
> @@ -224,9 +224,9 @@ static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
>  	}
>  
>  	area->vm_ops = &usb_stream_hwdep_vm_ops;
> -	area->vm_flags |= VM_DONTDUMP;
> +	set_vm_flags(area, VM_DONTDUMP);
>  	if (!read)
> -		area->vm_flags |= VM_DONTEXPAND;
> +		set_vm_flags(area, VM_DONTEXPAND);
>  	area->vm_private_data = us122l;
>  	atomic_inc(&us122l->mmap_count);
>  out:
> diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
> index c29da0341bc5..3abe6d891f98 100644
> --- a/sound/usb/usx2y/usX2Yhwdep.c
> +++ b/sound/usb/usx2y/usX2Yhwdep.c
> @@ -61,7 +61,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep *hw, struct file *filp, struct vm
>  	}
>  
>  	area->vm_ops = &us428ctls_vm_ops;
> -	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(area, VM_DONTEXPAND | VM_DONTDUMP);
>  	area->vm_private_data = hw->private_data;
>  	return 0;
>  }
> diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
> index 767a227d54da..22ce93b2fb24 100644
> --- a/sound/usb/usx2y/usx2yhwdeppcm.c
> +++ b/sound/usb/usx2y/usx2yhwdeppcm.c
> @@ -706,7 +706,7 @@ static int snd_usx2y_hwdep_pcm_mmap(struct snd_hwdep *hw, struct file *filp, str
>  		return -ENODEV;
>  
>  	area->vm_ops = &snd_usx2y_hwdep_pcm_vm_ops;
> -	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
> +	set_vm_flags(area, VM_DONTEXPAND | VM_DONTDUMP);
>  	area->vm_private_data = hw->private_data;
>  	return 0;
>  }
> -- 
> 2.39.1
> 
> 



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