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SubjectRe: [PATCH 06/10] mm, oom: kill all tasks sharing the mm
On Tue, 7 Jun 2016, Oleg Nesterov wrote:

> On 06/06, David Rientjes wrote:
> >
> > > There is a potential race where we kill the oom disabled task which is
> > > highly unlikely but possible. It would happen if __set_oom_adj raced
> > > with select_bad_process and then it is OK to consider the old value or
> > > with fork when it should be acceptable as well.
> > > Let's add a little note to the log so that people would tell us that
> > > this really happens in the real life and it matters.
> > >
> >
> > We cannot kill oom disabled processes at all, little race or otherwise.
>
> But this change doesn't really make it worse?
>

Why is the patch asking users to report oom killing of a process that
raced with setting /proc/pid/oom_score_adj to OOM_SCORE_ADJ_MIN? What is
possibly actionable about it?

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