From: David Rientjes <rientjes@google.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Oleg Nesterov <oleg@redhat.com>, Ying Han <yinghan@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] oom: do not kill tasks with oom_score_adj OOM_SCORE_ADJ_MIN
Date: Mon, 7 Nov 2011 13:54:38 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1111071353140.27419@chino.kir.corp.google.com> (raw)
In-Reply-To: <20111104143145.0F93B8B45E@mx2.suse.de>
On Fri, 4 Nov 2011, Michal Hocko wrote:
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index e916168..4883514 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -185,6 +185,9 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
> if (!p)
> return 0;
>
> + if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
> + return 0;
> +
> /*
> * The memory controller may have a limit of 0 bytes, so avoid a divide
> * by zero, if necessary.
This leaves p locked, you need to do task_unlock(p) first.
Once that's fixed, please add my
Acked-by: David Rientjes <rientjes@google.com>
and resubmit to Andrew for the 3.2 rc series. Thanks!
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next prev parent reply other threads:[~2011-11-07 21:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-04 11:59 Michal Hocko
2011-11-07 21:54 ` David Rientjes [this message]
2011-11-07 22:18 ` Michal Hocko
2011-11-07 22:22 ` KOSAKI Motohiro
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