lkml.org 
[lkml]   [2013]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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


\
 
 \ /
  Last update: 2013-06-06 09:41    [W:0.054 / U:1.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site