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authorKefeng Wang <wangkefeng.wang@huawei.com>2022-10-19 11:49:44 +0800
committerAndrew Morton <akpm@linux-foundation.org>2022-11-08 17:37:19 -0800
commitd7e679b6f9d9f7337f0fdc5011f2ecc9b16f821b (patch)
tree0271d7252b11cb613b75d5ceb6bb055d0671f5bc /mm/debug_vm_pgtable.c
parente39ee675f42e993bbf1c04b1ad7526db820ccdce (diff)
downloadlwn-d7e679b6f9d9f7337f0fdc5011f2ecc9b16f821b.tar.gz
lwn-d7e679b6f9d9f7337f0fdc5011f2ecc9b16f821b.zip
mm: debug_vm_pgtable: use VM_ACCESS_FLAGS
Directly use VM_ACCESS_FLAGS instead VMFLAGS. Link: https://lkml.kernel.org/r/20221019034945.93081-5-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Airlie <airlied@gmail.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/debug_vm_pgtable.c')
-rw-r--r--mm/debug_vm_pgtable.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index dc7df1254f0a..2b61fde8c38c 100644
--- a/mm/debug_vm_pgtable.c
+++ b/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 pgtable_debug_args *args)
*/
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;