Messages in this thread |  | | | From | KOSAKI Motohiro <> | | Subject | Re: [PATCH 2/5] Revert "oom: give the dying task a higher priority" | | Date | Thu, 24 Mar 2011 09:06:44 +0900 (JST) |
| |
> On Wed, Mar 23, 2011 at 04:42:29PM +0900, KAMEZAWA Hiroyuki wrote: > | On Tue, 22 Mar 2011 20:06:48 +0900 (JST) > | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> 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@uudg.org> > | > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > | > | Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> > > The original patch was written to fix an issue observed in 2.6.24.7-rt. > As the logic sounded useful, I ported it to upstream. Anyway,I am trying > a few ideas to rework that patch. In the meantime, I'm pretty fine with > reverting the commit. > > Acked-by: Luis Claudio R. Gonçalves <lgoncalv@uudg.org>
Ok, and then, I'll drop [patch 3/5] too. I hope to focus to discuss your idea.
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |