Messages in this thread | | | Date | Thu, 6 Jun 2013 12:19:29 +0530 | From | Vineet Gupta <> | Subject | Re: [patch 1/2] arch: invoke oom-killer from page fault |
| |
On 06/06/2013 10:06 AM, Johannes Weiner wrote: > From: Johannes Weiner <hannes@cmpxchg.org> > Subject: [patch] mm: invoke oom-killer from remaining unconverted page fault > handlers > > A few remaining architectures directly kill the page faulting task in > an out of memory situation. This is usually not a good idea since > that task might not even use a significant amount of memory and so may > not be the optimal victim to resolve the situation. > > Since '1c0fe6e mm: invoke oom-killer from page fault' (2.6.29) there > is a hook that architecture page fault handlers are supposed to call > to invoke the OOM killer and let it pick the right task to kill. > Convert the remaining architectures over to this hook. > > To have the previous behavior of simply taking out the faulting task > the vm.oom_kill_allocating_task sysctl can be set to 1. > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com> # for arch/arc bits
| |