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Date: Mon, 2 Oct 2017 22:08:55 +0200
From: Michal Hocko <mhocko@kernel.org>
To: Tim Hockin <thockin@hockin.org>
Cc: Shakeel Butt <shakeelb@google.com>, Roman Gushchin <guro@fb.com>,
        Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>,
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Subject: Re: [v8 0/4] cgroup-aware OOM killer
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On Mon 02-10-17 13:00:54, Tim Hockin 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.

No it doesn't. It allows you to kill A (recursively) as the largest
memory consumer. So, no, it cannot be used for prioritization, but again
this is not yet the scope of the proposed solution.
-- 
Michal Hocko
SUSE Labs