Re: [PATCH 4/6] mm, hwpoison: avoid unneeded page_mapped_in_vma() overhead in collect_procs_anon()

[HORIGUCHI NAOYA(堀口 直也) <naoya.horiguchi@xxxxxxx>]

On Tue, Aug 30, 2022 at 08:36:02PM +0800, Miaohe Lin wrote:
> 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().
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>