summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorMiaohe Lin <linmiaohe@huawei.com>2022-07-16 16:18:16 +0800
committerakpm <akpm@linux-foundation.org>2022-07-29 18:07:16 -0700
commit4d8ff64097092701a5e5506d0d7f643d421e0432 (patch)
treef374e62e158efea14eb624205f490f9893e6e768 /mm
parent9b7a4039d6856f66521486da68c76838929039eb (diff)
mm: remove unneeded PageAnon check in restore_exclusive_pte()
When code reaches here, the page must be !PageAnon. There's no need to check PageAnon again. Remove it. Link: https://lkml.kernel.org/r/20220716081816.10752-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 8c193b3a32aa..684c4c7cd2ff 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -744,7 +744,7 @@ static void restore_exclusive_pte(struct vm_area_struct *vma,
* Currently device exclusive access only supports anonymous
* memory so the entry shouldn't point to a filebacked page.
*/
- WARN_ON_ONCE(!PageAnon(page));
+ WARN_ON_ONCE(1);
set_pte_at(vma->vm_mm, address, ptep, pte);