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SubjectRe: [PATCH v4 1/1] mm: vmscan: Reduce throttling due to a failure to make progress
On Tue, 28 Dec 2021 11:04:18 +0100 Thorsten Leemhuis <regressions@leemhuis.info> wrote:

> Hi, this is your Linux kernel regression tracker speaking.
>
> On 02.12.21 16:06, Mel Gorman wrote:
> > Mike Galbraith, Alexey Avramov and Darrick Wong all reported similar
> > problems due to reclaim throttling for excessive lengths of time.
> > In Alexey's case, a memory hog that should go OOM quickly stalls for
> > several minutes before stalling. In Mike and Darrick's cases, a small
> > memcg environment stalled excessively even though the system had enough
> > memory overall.
>
> Just wondering: this patch afaics is now in -mm and Linux next for
> nearly two weeks. Is that intentional? I had expected it to be mainlined
> with the batch of patches Andrew mailed to Linus last week, but it
> wasn't among them.

I have it queued for 5.17-rc1.

There is still time to squeeze it into 5.16, just, with a cc:stable.

Alternatively we could merge it into 5.17-rc1 with a cc:stable, so it
will trickle back with less risk to the 5.17 release.

What do people think?

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