linux-kernel - Re: [patch v3] mm, oom: fix unnecessary killing of additional processes

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Message-ID: <alpine.DEB.2.21.1807201515180.38399@chino.kir.corp.google.com>
Date:   Fri, 20 Jul 2018 15:19:59 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [patch v3] mm, oom: fix unnecessary killing of additional
 processes

On Sat, 21 Jul 2018, Tetsuo Handa wrote:

> Why [PATCH 2/2] in https://marc.info/?l=linux-mm&m=153119509215026&w=4 does not
> solve your problem?
> 

Such an invasive patch, and completely rewrites the oom reaper.  I now 
fully understand your frustration with the cgroup aware oom killer being 
merged into -mm without any roadmap to actually being merged.  I agree 
with you that it should be dropped, not sure why it has not been since 
there is no active review on the proposed patchset from four months ago, 
posted twice, that fixes the issues with it, or those patches being merged 
so the damn thing can actually make progress.