Commit d7e679b6 authored by Kefeng Wang's avatar Kefeng Wang Committed by Andrew Morton
Browse files

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: default avatarKefeng 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e39ee675

mm/debug_vm_pgtable.c

+2 −6
Original line number Diff line number Diff line
@@ -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;