Re: Is: Revert c5ad33184354260be6d05de57e46a5498692f6d6 "mm/swap.c: flush lru pvecs on compound page arrival" from stable tree? Was:[osstest-admin@xxxxxxxxxxxxxx: [Xen-devel] [linux-4.1 bisection] complete test-amd64-i386-qemut-rhel6hvm-amd]

From: Michal Hocko
Date: Tue Jul 19 2016 - 04:32:27 EST


[CCing Sasha]

On Mon 18-07-16 11:30:46, Konrad Rzeszutek Wilk wrote:
> Hey Lukasz,
>
> We found that your patch in the automated Xen test-case ends up
> OOMing the box when trying to install guests. This worked prior
> to your patch.
>
> See serial log:
> http://logs.test-lab.xenproject.org/osstest/logs/97597/test-amd64-i386-qemut-rhel6hvm-amd/serial-pinot0.log
>
> Would it be OK to revert this patch from the stable trees?

The fix up is trivial so I believe it would be better to apply the
follow up fix
http://lkml.kernel.org/r/20160714175521.3675e3d6@xxxxxxxxxxxxxxxxxx
--
Michal Hocko
SUSE Labs