linux-kernel - Re: [BUGFIX][PATCH] memcg: fix oom schedule

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Date:	Thu, 4 Aug 2011 09:33:57 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>
Subject: Re: [BUGFIX][PATCH] memcg: fix oom schedule_timeout

On Wed 03-08-11 12:15:32, KAMEZAWA Hiroyuki wrote:
> 
> This patch is onto the latest mmotm.
> 
> ==
> Before calling schedule_timeout(), task state should be changed.
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

Looks good.
Acked-by: Michal Hocko <mhocko@...e.cz>

> ---
>  mm/memcontrol.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: mmotm-Aug3/mm/memcontrol.c
> ===================================================================
> --- mmotm-Aug3.orig/mm/memcontrol.c
> +++ mmotm-Aug3/mm/memcontrol.c
> @@ -2005,7 +2005,7 @@ bool mem_cgroup_handle_oom(struct mem_cg
>  	if (test_thread_flag(TIF_MEMDIE) || fatal_signal_pending(current))
>  		return false;
>  	/* Give chance to dying process */
> -	schedule_timeout(1);
> +	schedule_timeout_uninterruptible(1);
>  	return true;
>  }
>  
> 
> --
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-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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