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Message-ID: <CAJD7tkYdvnOhj4a_mzx-w9Zzx8Eg8zFjQxi2+kxR0hD05b3GTg@mail.gmail.com>
Date: Wed, 24 Jan 2024 01:11:59 -0800
From: Yosry Ahmed <yosryahmed@...gle.com>
To: Oliver Sang <oliver.sang@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>,
Domenico Cerasuolo <cerasuolodomenico@...il.com>, Shakeel Butt <shakeelb@...gle.com>,
Chris Li <chrisl@...nel.org>, Greg Thelen <gthelen@...gle.com>,
Ivan Babrou <ivan@...udflare.com>, Michal Hocko <mhocko@...nel.org>,
Michal Koutny <mkoutny@...e.com>, Muchun Song <muchun.song@...ux.dev>,
Roman Gushchin <roman.gushchin@...ux.dev>, Tejun Heo <tj@...nel.org>,
Waiman Long <longman@...hat.com>, Wei Xu <weixugc@...gle.com>, cgroups@...r.kernel.org,
linux-mm@...ck.org, ying.huang@...el.com, feng.tang@...el.com,
fengwei.yin@...el.com
Subject: Re: [linus:master] [mm] 8d59d2214c: vm-scalability.throughput -36.6% regression
On Wed, Jan 24, 2024 at 12:26 AM Oliver Sang <oliver.sang@...el.com> wrote:
>
> hi, Yosry Ahmed,
>
> On Mon, Jan 22, 2024 at 11:42:04PM -0800, Yosry Ahmed wrote:
> > > > Oliver, would you be able to test if the attached patch helps? It's
> > > > based on 8d59d2214c236.
> > >
> > > the patch failed to compile:
> > >
> > > build_errors:
> > > - "mm/memcontrol.c:731:38: error: 'x' undeclared (first use in this function)"
> >
> > Apologizes, apparently I sent the patch with some pending diff in my
> > tree that I hadn't committed. Please find a fixed patch attached.
>
> the regression disappears after applying the patch.
>
> Tested-by: kernel test robot <oliver.sang@...el.com>
Awesome! Thanks for testing. I will formalize the patch and send it
out for review.
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