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From: Michal Hocko <mhocko@suse.cz>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: David Rientjes <rientjes@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	stable@kernel.org, azurit@pobox.sk, mm-commits@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [merged] mm-memcg-handle-non-error-oom-situations-more-gracefully.patch removed from -mm tree
Date: Thu, 28 Nov 2013 10:12:55 +0100	[thread overview]
Message-ID: <20131128091255.GD2761@dhcp22.suse.cz> (raw)
In-Reply-To: <20131127233353.GH3556@cmpxchg.org>

On Wed 27-11-13 18:33:53, Johannes Weiner wrote:
[...]
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 13b9d0f..5f9e467 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2675,7 +2675,7 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
>  		goto bypass;
>  
>  	if (unlikely(task_in_memcg_oom(current)))
> -		goto bypass;
> +		goto nomem;
>  
>  	/*
>  	 * We always charge the cgroup the mm_struct belongs to.

Yes, I think we really want this. Plan to send a patch? The first charge
failure due to OOM shouldn't be papered over by a later attempt if we
didn't get through mem_cgroup_oom_synchronize yet.

-- 
Michal Hocko
SUSE Labs

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  parent reply	other threads:[~2013-11-28  9:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <526028bd.k5qPj2+MDOK1o6ii%akpm@linux-foundation.org>
2013-11-27 23:08 ` [merged] mm-memcg-handle-non-error-oom-situations-more-gracefully.patch removed from -mm tree David Rientjes
2013-11-27 23:33   ` Johannes Weiner
2013-11-28  0:56     ` David Rientjes
2013-11-28  2:18       ` Johannes Weiner
2013-11-28  2:38         ` David Rientjes
2013-11-28  3:13           ` Johannes Weiner
2013-11-28  3:20             ` David Rientjes
2013-11-28  3:52               ` Johannes Weiner
2013-11-30  0:00                 ` David Rientjes
2013-11-30  0:51                   ` Greg KH
2013-11-30 10:25                     ` David Rientjes
2013-11-30  3:35                   ` Johannes Weiner
2013-11-30 10:32                     ` David Rientjes
2013-11-30 15:55                       ` Johannes Weiner
2013-11-30 22:12                         ` David Rientjes
2013-11-28 10:02               ` Michal Hocko
2013-11-30  0:05                 ` David Rientjes
2013-12-02 13:12                   ` Michal Hocko
2013-12-02 22:51                     ` David Rientjes
2013-11-28  9:12     ` Michal Hocko [this message]
2013-11-30  3:37       ` Johannes Weiner

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