Re: [PATCH] mm: compaction: avoid fast_isolate_freepages blindly choose improper pageblock

From: Andrew Morton
Date: Thu Dec 14 2023 - 17:17:09 EST


On Thu, 14 Dec 2023 09:34:35 +0800 Barry Song <21cnbao@xxxxxxxxx> wrote:

> > > Reported-by: Zhanyuan Hu <huzhanyuan@xxxxxxxx>
> > > Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx>
> >
> > Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
>
> Hi Mel,
> Thanks!
>
> Hi Andrew,
> Given this patch has been in mm-stable,
> https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-stable&id=d19b1a1797
> does it still have a chance to collect Mel's tag?

That would require a rebuild of mm-stable, which is also a rebase. I
don't think I've had to do that before - I'll occasionally rebase, but
just to drop things - not a full rebuild from the quilt patches.

If I end up having to do that then I'll somehow try to remember to make
this change.