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SubjectRe: [PATCH v4 10/11] mm: lru: add VM_BUG_ON_FOLIO to lru maintenance function
On Tue, May 24, 2022 at 03:44:02PM -0400, Johannes Weiner wrote:
> On Tue, May 24, 2022 at 02:05:50PM +0800, Muchun Song wrote:
> > We need to make sure that the page is deleted from or added to the
> > correct lruvec list. So add a VM_BUG_ON_FOLIO() to catch invalid
> > users.
> >
> > Signed-off-by: Muchun Song <songmuchun@bytedance.com>
>
> Makes sense, but please use VM_WARN_ON_ONCE_FOLIO() so the machine can
> continue limping along for extracting debug information.
>

Make sense. Will do.

Thanks.

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