Re: [patch -mm v2 2/3] mm, memcg: replace cgroup aware oom killer mount option with tunable

[Michal Hocko]

On Fri 26-01-18 16:17:35, Andrew Morton wrote:
> On Fri, 26 Jan 2018 14:52:59 -0800 (PST) David Rientjes <rientjes@xxxxxxxxxx> wrote:
[...]
> > Those use cases are also undocumented such that the user doesn't know the 
> > behavior they are opting into.  Nowhere in the patchset does it mention 
> > anything about oom_score_adj other than being oom disabled.  It doesn't 
> > mention that a per-process tunable now depends strictly on whether it is 
> > attached to root or not.  It specifies a fair comparison between the root 
> > mem cgroup and leaf mem cgroups, which is obviously incorrect by the 
> > implementation itself.  So I'm not sure the user would know which use 
> > cases it is valid for, which is why I've been trying to make it generally 
> > purposeful and documented.
> 
> Documentation patches are nice.  We can cc:stable them too, so no huge
> hurry.

What about this?