Re: [patch] memcg: add oom killer delay

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On Mon, 7 Mar 2011 19:07:10 -0800 (PST)
David Rientjes <rientjes@xxxxxxxxxx> wrote:

> On Tue, 8 Mar 2011, KAMEZAWA Hiroyuki wrote:
> 
> > BTW, why "the memcg is livelocked and then no memory limits on the system have 
> > a chance of getting increased"
> > 
> 
> I was referring specifically to the memcg which a job scheduler or 
> userspace daemon responsible for doing so is attached.  If the thread 
> responsible for managing memcgs and increasing limits or killing off lower 
> priority jobs is in a memcg that is oom, there is a chance it will never 
> be able to respond to the condition.
> 

I just think memcg for such daemons shouldn't have any limit or must not
set oom_disable. I think you know that. So, the question is why you can't
do it ?  Is there special reason which comes from cgroup's characteristics ?


Thanks,
-kame

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