[PATCH 4/5] mm: debug_vm_pgtable: use VM_ACCESS_FLAGS

From: Kefeng Wang
Date: Tue Oct 18 2022 - 23:30:16 EST


Directly use VM_ACCESS_FLAGS instead VMFLAGS.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
mm/debug_vm_pgtable.c | 8 ++------
1 file 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;
--
2.35.3