linux-kernel - Re: [PATCH memcg] memcg: prohibit unconditional exceeding the limit of dying tasks

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Message-ID: <bab6c1d2-38d8-9098-206f-54894f9871b6@virtuozzo.com>
Date:   Tue, 14 Sep 2021 13:01:40 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     Michal Hocko <mhocko@...e.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH memcg] memcg: prohibit unconditional exceeding the limit
 of dying tasks

On 9/13/21 1:55 PM, Michal Hocko wrote:
> Here is what I would do.

Your patch fixes the problem, I just want to add rename of should_force_charge()
helper to task_is_dying() and will submit v2 version soon.

I think this patch is not optimal, however its improvements can be discussed later.

Thank you,
	Vasily Averin