The patch titled
Subject: mm: debug_vm_pgtable: use VM_ACCESS_FLAGS
has been added to the -mm mm-unstable branch. Its filename is
mm-debug_vm_pgtable-use-vm_access_flags.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-debug_vm_pgtable-use-vm_access_flags.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: debug_vm_pgtable: use VM_ACCESS_FLAGS
Date: Wed, 19 Oct 2022 11:49:44 +0800
Directly use VM_ACCESS_FLAGS instead VMFLAGS.
Link: https://lkml.kernel.org/r/20221019034945.93081-5-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Cc: "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/debug_vm_pgtable.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
--- a/mm/debug_vm_pgtable.c~mm-debug_vm_pgtable-use-vm_access_flags
+++ a/mm/debug_vm_pgtable.c
@@ -38,11 +38,7 @@
* Please refer Documentation/mm/arch_pgtable_helpers.rst for the semantics
* expectations that are being validated here. All future changes in here
* or the documentation need to be in sync.
- */
-
-#define VMFLAGS (VM_READ|VM_WRITE|VM_EXEC)
-
-/*
+ *
* On s390 platform, the lower 4 bits are used to identify given page table
* entry type. But these bits might affect the ability to clear entries with
* pxx_clear() because of how dynamic page table folding works on s390. So
@@ -1125,7 +1121,7 @@ static int __init init_args(struct pgtab
*/
memset(args, 0, sizeof(*args));
args->vaddr = get_random_vaddr();
- args->page_prot = vm_get_page_prot(VMFLAGS);
+ args->page_prot = vm_get_page_prot(VM_ACCESS_FLAGS);
args->page_prot_none = vm_get_page_prot(VM_NONE);
args->is_contiguous_page = false;
args->pud_pfn = ULONG_MAX;
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-rmap-rename-page_not_mapped-to-folio_not_mapped.patch
mm-remove-kern_addr_valid-completely.patch
nios2-remove-unused-init_mmap.patch
x86-sgx-use-vm_access_flags.patch
mm-mprotect-use-vm_access_flags.patch
mm-debug_vm_pgtable-use-vm_access_flags.patch
amdgpu-use-vm_access_flags.patch
