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SubjectRe: [PATCH] oom: skip frozen tasks
On Fri, 26 Aug 2011, Konstantin Khlebnikov wrote:

> > A much better solution would be to lower the badness score that the oom
> > killer uses for PF_FROZEN threads so that they aren't considered a
> > priority for kill unless there's nothing else left to kill.
>
> Anyway, oom killer shouldn't loop endlessly if it see TIF_MEMDIE on frozen
> task,
> it must go on and try to kill somebody else. We cannot wait for thawing this
> task.
>

Did you read my suggestion? I quoted it above again for you. The badness
heuristic would only select those tasks to kill as a last resort in the
hopes they will eventually be thawed and may exit. Panicking the entire
machine for what could be isolated by a cgroup is insanity.


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