The only use case, VDSO remap support for PowerPC, has been made generic instead of architecture-specific. Since the infrastructure is no longer needed, remove it. Signed-off-by: Christopher Covington <cov@xxxxxxxxxxxxxx> --- arch/alpha/include/asm/Kbuild | 1 - arch/arc/include/asm/Kbuild | 1 - arch/arm/include/asm/Kbuild | 1 - arch/arm64/include/asm/Kbuild | 1 - arch/avr32/include/asm/Kbuild | 1 - arch/blackfin/include/asm/Kbuild | 1 - arch/c6x/include/asm/Kbuild | 1 - arch/cris/include/asm/Kbuild | 1 - arch/frv/include/asm/Kbuild | 1 - arch/h8300/include/asm/Kbuild | 1 - arch/hexagon/include/asm/Kbuild | 1 - arch/ia64/include/asm/Kbuild | 1 - arch/m32r/include/asm/Kbuild | 1 - arch/m68k/include/asm/Kbuild | 1 - arch/metag/include/asm/Kbuild | 1 - arch/microblaze/include/asm/Kbuild | 1 - arch/mips/include/asm/Kbuild | 1 - arch/mn10300/include/asm/Kbuild | 1 - arch/nios2/include/asm/Kbuild | 1 - arch/openrisc/include/asm/Kbuild | 1 - arch/parisc/include/asm/Kbuild | 1 - arch/s390/include/asm/Kbuild | 1 - arch/score/include/asm/Kbuild | 1 - arch/sh/include/asm/Kbuild | 1 - arch/sparc/include/asm/Kbuild | 1 - arch/tile/include/asm/Kbuild | 1 - arch/um/include/asm/Kbuild | 1 - arch/unicore32/include/asm/Kbuild | 1 - arch/x86/include/asm/Kbuild | 1 - arch/xtensa/include/asm/Kbuild | 1 - include/asm-generic/mm_hooks.h | 16 ---------------- mm/mremap.c | 20 +++++++++++++++++--- 32 files changed, 17 insertions(+), 49 deletions(-) diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index bf8475c..0a5e0ec 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -6,7 +6,6 @@ generic-y += exec.h generic-y += export.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index c332604..e6059a8 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,7 +22,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += msi.h diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 0745538..44b717c 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -15,7 +15,6 @@ generic-y += irq_regs.h generic-y += kdebug.h generic-y += local.h generic-y += local64.h -generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += msi.h generic-y += param.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 44e1d7f..a42a136 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -20,7 +20,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += msi.h diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 241b9b9..519810d 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -12,7 +12,6 @@ generic-y += irq_work.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 91d49c0..c80181e 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -21,7 +21,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 64465e7..1b9cbed 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -27,7 +27,6 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 1778805..8e98d03 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -24,7 +24,6 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 1fa084c..2c987dc 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -4,7 +4,6 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += word-at-a-time.h diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 373cb23..2a63a32 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -33,7 +33,6 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index db8ddab..0988816 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -28,7 +28,6 @@ generic-y += kmap_types.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += pci.h diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index 502a91d..dc05773 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -4,7 +4,6 @@ generic-y += exec.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += vtime.h diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index 860e440..f09a5fd 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -5,7 +5,6 @@ generic-y += exec.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += module.h generic-y += preempt.h generic-y += sections.h diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index eb85bd9..1555bc1 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -18,7 +18,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mutex.h generic-y += percpu.h diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 29acb89d..611c0df 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -25,7 +25,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index b0ae88c..cefeaba 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -6,7 +6,6 @@ generic-y += device.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += syscalls.h generic-y += trace_clock.h diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 9740066..f0ce0ae 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -8,7 +8,6 @@ generic-y += emergency-restart.h generic-y += irq_work.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += parport.h generic-y += percpu.h diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index 1c8dd0f..27cbc02 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -5,7 +5,6 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index d63330e..e224789 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -30,7 +30,6 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 2832f03..2a2e39b 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -36,7 +36,6 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index f9b3a81..12b341d 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -15,7 +15,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += percpu.h diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 20f196b..c1ef825 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -4,7 +4,6 @@ generic-y += clkdev.h generic-y += export.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += word-at-a-time.h diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index a05218f..ff19975 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -7,7 +7,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += irq_work.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 751c337..7d1fb2c 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -17,7 +17,6 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index cfc9180..0867d5a 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -13,7 +13,6 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += module.h generic-y += mutex.h generic-y += preempt.h diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index ba35c41..40d22b4 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -19,7 +19,6 @@ generic-y += irq_regs.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 904f3eb..33c1d3e 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,7 +16,6 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += pci.h diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index 256c45b..932070c 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -26,7 +26,6 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 2cfed17..51b3d95 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -15,4 +15,3 @@ generic-y += cputime.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 28cf4c5..bdade99 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -18,7 +18,6 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += percpu.h generic-y += preempt.h generic-y += resource.h diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h index 73f09f1..f4d43aa 100644 --- a/include/asm-generic/mm_hooks.h +++ b/include/asm-generic/mm_hooks.h @@ -3,7 +3,6 @@ * included in asm-FOO/mmu_context.h for any arch FOO which doesn't need to * specially hook these. * - * arch_remap originally from include/linux-mm-arch-hooks.h * arch_unmap originally from arch/powerpc/include/asm/mmu_context.h * Copyright (C) 2015, IBM Corporation * Author: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx> @@ -35,21 +34,6 @@ static inline void arch_unmap(struct mm_struct *mm, #endif /* CONFIG_GENERIC_VDSO */ } -static inline void arch_remap(struct mm_struct *mm, - unsigned long old_start, unsigned long old_end, - unsigned long new_start, unsigned long new_end) -{ -#ifdef CONFIG_GENERIC_VDSO - /* - * mremap() doesn't allow moving multiple vmas so we can limit the - * check to old_addr == vdso. - */ - if (old_addr == mm->context.vdso) - mm->context.vdso = new_addr; - -#endif /* CONFIG_GENERIC_VDSO */ -} - static inline void arch_bprm_mm_init(struct mm_struct *mm, struct vm_area_struct *vma) { diff --git a/mm/mremap.c b/mm/mremap.c index da22ad2..0d0ea14 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -5,6 +5,14 @@ * * Address space accounting code <alan@xxxxxxxxxxxxxxxxxxx> * (C) Copyright 2002 Red Hat Inc, All Rights Reserved + * + * arch_remap originally from include/linux-mm-arch-hooks.h + * Copyright (C) 2015, IBM Corporation + * Author: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. */ #include <linux/mm.h> @@ -21,7 +29,6 @@ #include <linux/syscalls.h> #include <linux/mmu_notifier.h> #include <linux/uaccess.h> -#include <linux/mm-arch-hooks.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> @@ -293,8 +300,15 @@ static unsigned long move_vma(struct vm_area_struct *vma, old_addr = new_addr; new_addr = err; } else { - arch_remap(mm, old_addr, old_addr + old_len, - new_addr, new_addr + new_len); +#ifdef CONFIG_GENERIC_VDSO + /* + * mremap() doesn't allow moving multiple vmas so we can limit + * the check to old_addr == vdso. + */ + if (old_addr == mm->context.vdso) + mm->context.vdso = new_addr; + +#endif /* CONFIG_GENERIC_VDSO */ } /* Conceal VM_ACCOUNT so old reservation is not undone */ -- Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc. 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