On Wed, 31 Aug 2011 19:54:22 +0200 Johannes Weiner <jweiner@xxxxxxxxxx> wrote: > On Wed, Aug 31, 2011 at 08:32:21PM +0300, Viktor Rosendahl wrote: > > Hello, > > > > I wonder if there is a specific reason why the OOM killer hasn't been enabled > > in the mem_cgroup_do_precharge() function in mm/memcontrol.c ? > > > > In my testing (2.6.32 kernel with some backported cgroups patches), it improves > > the case when there isn't room for the task in the target cgroup. > > Tasks are moved directly on behalf of a request from userspace. We > would much prefer denying that single request than invoking the > oom-killer on the whole group. > Yes, I agree. > Quite a lot changed in the trycharge-reclaim-retry path since 2009. > Nowadays, charging is retried as long as reclaim is making any > progress at all, so I don't see that it would give up moving a task > too lightly, even without the extra OOM looping. > > Is there any chance you could retry with a more recent kernel? > It's curious topic. Thanks, -Kame -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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>