mm, hwpoison: avoid unneeded page_mapped_in_vma() overhead in collect_procs_anon()

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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>

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Miaohe Lin 2022-08-30 20:36:02 +08:00 • committed by Andrew Morton

parent 21c9e90ab9

commit 36537a67d3

1 changed files with 3 additions and 3 deletions

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mm/memory-failure.c

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