Re: [RFC] [PATCH] Cgroup based OOM killer controller

Evgeniy Polyakov
2009-01-21T13:17:50Z

On Wed, Jan 21, 2009 at 04:38:21PM +0530, Nikanth Karthikesan (knikanth@suse.de) wrote:
> As Alan Cox suggested/wondered in this thread,
> http://lkml.org/lkml/2009/1/12/235 , this is a container group based approach
> to override the oom killer selection without losing all the benefits of the
> current oom killer heuristics and oom_adj interface.
>
> It adds a tunable oom.victim to the oom cgroup. The oom killer will kill the
> process using the usual badness value but only within the cgroup with the
> maximum value for oom.victim before killing any process from a cgroup with a
> lesser oom.victim number. Oom killing could be disabled by setting
> oom.victim=0.

Looks good, except that in some conditions (everyone has zero for
example) victim=0 does not disalbe oom-killer because of !chosen
part of the condition.

--
Evgeniy Polyakov