lkml.org 
[lkml]   [2011]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] oom: skip frozen tasks
David Rientjes wrote:
> 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.

Maybe just fix this "panic" logic? OOM killer should panic only on global memory shortage.


\
 
 \ /
  Last update: 2011-08-26 12:01    [W:0.276 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site