linux-kernel - Re: [PATCH] memcg: Add a new sysctl parameter for automatically setting memory.high

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Message-ID: <dc27e80f-8471-4b31-90f0-5105236bea8d@redhat.com>
Date: Mon, 24 Jun 2024 13:05:29 -0400
From: Waiman Long <longman@...hat.com>
To: Michal Hocko <mhocko@...e.com>
Cc: Roman Gushchin <roman.gushchin@...ux.dev>,
 Johannes Weiner <hannes@...xchg.org>, Muchun Song <muchun.song@...ux.dev>,
 Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>,
 Shakeel Butt <shakeel.butt@...ux.dev>, linux-kernel@...r.kernel.org,
 cgroups@...r.kernel.org, linux-mm@...ck.org,
 Alex Kalenyuk <akalenyu@...hat.com>, Peter Hunt <pehunt@...hat.com>,
 linux-doc@...r.kernel.org
Subject: Re: [PATCH] memcg: Add a new sysctl parameter for automatically
 setting memory.high


On 6/24/24 12:46, Michal Hocko wrote:
> On Mon 24-06-24 12:33:27, Waiman Long wrote:
>> I also trace back the OOM problem to commit 14aa8b2d5c2e ("mm/mglru: don't
>> sync disk for each aging cycle") in the MGLRU code. So setting memory.high
>> automatically is one way to avoid premature OOM. That is the motivation
>> behind this patch.
> Please report this.

OK, will do.

Cheers,
Longman