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@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> 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@xxxxxxxx> -- [ Luis Claudio R. Goncalves Bass - Gospel - RT ] [ Fingerprint: 4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8 ] -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>