linux-kernel - Re: [v8 0/4] cgroup-aware OOM killer

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Date:   Mon, 2 Oct 2017 13:20:20 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Tim Hockin <thockin@...kin.org>
Cc:     Michal Hocko <mhocko@...nel.org>, Roman Gushchin <guro@...com>,
        Johannes Weiner <hannes@...xchg.org>,
        Tejun Heo <tj@...nel.org>, kernel-team@...com,
        David Rientjes <rientjes@...gle.com>,
        Linux MM <linux-mm@...ck.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cgroups <cgroups@...r.kernel.org>, linux-doc@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [v8 0/4] cgroup-aware OOM killer

(Replying again as format of previous reply got messed up).

On Mon, Oct 2, 2017 at 1:00 PM, Tim Hockin <thockin@...kin.org> wrote:
> In the example above:
>
>        root
>        /    \
>      A      D
>      / \
>    B   C
>
> Does oom_group allow me to express "compare A and D; if A is chosen
> compare B and C; kill the loser" ?  As I understand the proposal (from
> reading thread, not patch) it does not.

It will let you compare A and D and if A is chosen then kill A, B and C.