Re: [PATCH 2/5] oom: kill younger process first

Minchan Kim
2011-05-23T02:37:03Z

2011/5/20 KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>:
> This patch introduces do_each_thread_reverse() and select_bad_process()
> uses it. The benefits are two, 1) oom-killer can kill younger process
> than older if they have a same oom score. Usually younger process is
> less important. 2) younger task often have PF_EXITING because shell
> script makes a lot of short lived processes. Reverse order search can
> detect it faster.
>
> Reported-by: CAI Qian <caiqian@redhat.com>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

--
Kind regards,
Minchan Kim