linux-kernel - Re: [RFC PATCH 0/8] memcg: Enable fine-grained per process memory control

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Message-ID: <20200818103637.GR2674@hirez.programming.kicks-ass.net>
Date:   Tue, 18 Aug 2020 12:36:37 +0200
From:   peterz@...radead.org
To:     Michal Hocko <mhocko@...e.com>
Cc:     Waiman Long <longman@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, cgroups@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [RFC PATCH 0/8] memcg: Enable fine-grained per process memory
 control

On Tue, Aug 18, 2020 at 12:30:59PM +0200, Michal Hocko wrote:
> The proposal also aims at much richer interface to define the
> oom behavior.

Oh yeah, I'm not defending any of that prctl() nonsense.

Just saying that from a math / control theory point of view, the current
thing is a abhorrent failure.