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>

diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index dc7df1254f0a06947164456de75fb248a32a1e60..2b61fde8c38cc56652b969324fd98fb9935ae156 100644 (file)
--- 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;