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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-08-30 20:36:02 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:04 -0700 |
| commit | 36537a67d3561bfe2b3654161d6c9008fff84d43 (patch) | |
| tree | e934fba765591216b9d95fbde6f99f2d9e728488 /block | |
| parent | 21c9e90ab9a4c991d21dd15cc5163c99a885d4a8 (diff) | |
| download | linux-36537a67d3561bfe2b3654161d6c9008fff84d43.tar.gz | |
mm, hwpoison: avoid unneeded page_mapped_in_vma() overhead in collect_procs_anon()
If vma->vm_mm != t->mm, there's no need to call page_mapped_in_vma() as
add_to_kill() won't be called in this case. Move up the mm check to avoid
possible unneeded calling to page_mapped_in_vma().
Link: https://lkml.kernel.org/r/20220830123604.25763-5-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions