Re: [PATCH] oom: skip frozen tasks

[David Rientjes]

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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