diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-10-19 11:49:43 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-08 17:37:19 -0800 |
| commit | e39ee675f42e993bbf1c04b1ad7526db820ccdce (patch) | |
| tree | ac1a96d8c8b27611ade45bb7dd2a4e42ace9b833 /mm/mprotect.c | |
| parent | 4f20566f5c0f42c451f6a43be9bfa6f0b3d142df (diff) | |
mm: mprotect: use VM_ACCESS_FLAGS
Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS.
Link: https://lkml.kernel.org/r/20221019034945.93081-4-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/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 668bfaa6ed2a..99762403cc8f 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -756,8 +756,7 @@ static int do_mprotect_pkey(unsigned long start, size_t len, * If a permission is not passed to mprotect(), it must be * cleared from the VMA. */ - mask_off_old_flags = VM_READ | VM_WRITE | VM_EXEC | - VM_FLAGS_CLEAR; + mask_off_old_flags = VM_ACCESS_FLAGS | VM_FLAGS_CLEAR; new_vma_pkey = arch_override_mprotect_pkey(vma, prot, pkey); newflags = calc_vm_prot_bits(prot, new_vma_pkey); |