Re: [mm-unstable v3 PATCH 2/3] mm: khugepaged: allow page allocation fallback to eligible nodes

[Yang Shi]

On Tue, Nov 8, 2022 at 11:20 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue,  8 Nov 2022 10:43:56 -0800 Yang Shi <shy828301@xxxxxxxxx> wrote:
>
> > Syzbot reported the below splat:
> >
> > ...
> >
>
> "mm: don't warn if the node is offlined" remains in
> mm-hotfixes-unstable, so I'll just drop it.

Yes, please.

>
> >
> > Reported-by: syzbot+0044b22d177870ee974f@xxxxxxxxxxxxxxxxxxxxxxxxx
> > Suggested-by: Zach O'Keefe <zokeefe@xxxxxxxxxx>
> > Suggested-by: Michal Hocko <mhocko@xxxxxxxx>
> > Reviewed-by: Zach O'Keefe <zokeefe@xxxxxxxxxx>
> > Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> > Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>
>
> I should add cc:stable, yes?

This problem should just happen with MADV_COLLAPSE, which is merged
for 6.1, so we should not cc to stable.

>
> Are we able to identify a Fixes: target?

Please use this target: 7d8faaf15545 mm/madvise: introduce
MADV_COLLAPSE sync hugepage collapse

>
>