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From: Shakeel Butt <shakeelb@google.com>
Date: Mon, 2 Oct 2017 12:45:18 -0700
Message-ID: <CALvZod4=+GVg+hrT4ubp9P4b+LUZ+q9mz4ztC=Fc_cmTZmvpcw@mail.gmail.com>
Subject: Re: [v8 0/4] cgroup-aware OOM killer
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To: Michal Hocko <mhocko@kernel.org>
Cc: Tim Hockin <thockin@hockin.org>, Roman Gushchin <guro@fb.com>, Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>, kernel-team@fb.com, David Rientjes <rientjes@google.com>, Linux MM <linux-mm@kvack.org>, Vladimir Davydov <vdavydov.dev@gmail.com>, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>, Andrew Morton <akpm@linux-foundation.org>, Cgroups <cgroups@vger.kernel.org>, linux-doc@vger.kernel.org, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>

> I am sorry to cut the rest of your proposal because it simply goes over
> the scope of the proposed solution while the usecase you are mentioning
> is still possible. If we want to compare intermediate nodes (which seems
> to be the case) then we can always provide a knob to opt-in - be it your
> oom_gang or others.

In the Roman's proposed solution we can already force the comparison
of intermediate nodes using 'oom_group', I am just requesting to
separate the killall semantics from it.

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