Re: [PATCH 2/5] Revert "oom: give the dying task a higher priority"

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On Tue, 22 Mar 2011 20:06:48 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:

> This reverts commit 93b43fa55088fe977503a156d1097cc2055449a2.
> 
> The commit dramatically improve oom killer logic when fork-bomb
> occur. But, I've found it has nasty corner case. Now cpu cgroup
> has strange default RT runtime. It's 0! That said, if a process
> under cpu cgroup promote RT scheduling class, the process never
> run at all.
> 
> Eventually, kernel may hang up when oom kill occur.
> 
> The author need to resubmit it as adding knob and disabled
> by default if he really need this feature.
> 
> Cc: Luis Claudio R. Goncalves <lclaudio@xxxxxxxx>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>


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