Re: [BUGFIX][PATCH] memcg: fix oom killing a child process in an other cgroup

[Minchan Kim]

On Fri, Feb 12, 2010 at 10:53 AM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> This patch itself is againt mmotm-Feb10 but can be applied to 2.6.32.8
> without problem.
>
> ==
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
>
> Now, oom-killer is memcg aware and it finds the worst process from
> processes under memcg(s) in oom. Then, it kills victim's child at first.
> It may kill a child in other cgroup and may not be any help for recovery.
> And it will break the assumption users have...
>
> This patch fixes it.
>
> CC: stable@xxxxxxxxxx
> CC: Minchan Kim <minchan.kim@xxxxxxxxx>
> CC: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
> CC: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>

Sorry for noise, Kame.

-- 
Kind regards,
Minchan Kim
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/