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From: Johannes Weiner <hannes@cmpxchg.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Greg Thelen <gthelen@google.com>,
	Shakeel Butt <shakeelb@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH] memcg, oom: move out_of_memory back to the charge path
Date: Wed, 20 Jun 2018 15:38:36 -0400	[thread overview]
Message-ID: <20180620193836.GB4734@cmpxchg.org> (raw)
In-Reply-To: <20180620153148.GO13685@dhcp22.suse.cz>

On Wed, Jun 20, 2018 at 05:31:48PM +0200, Michal Hocko wrote:
> 	 * Please note that mem_cgroup_oom_synchronize might fail to find a
> 	 * victim and then we have rely on mem_cgroup_oom_synchronize otherwise
> 	 * we would fall back to the global oom killer in pagefault_out_of_memory

I can't quite figure out what this paragraph is trying to
say. "oom_synchronize might fail [...] and we have to rely on
oom_synchronize". Hm?

  parent reply	other threads:[~2018-06-20 19:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-20 10:37 [RFC PATCH] memcg, oom: move out_of_memory back to the charge path Michal Hocko
2018-06-20 10:37 ` Michal Hocko
2018-06-20 15:18 ` Johannes Weiner
2018-06-20 15:31   ` Michal Hocko
2018-06-20 15:34     ` Michal Hocko
2018-06-20 19:35     ` Johannes Weiner
2018-06-20 19:38     ` Johannes Weiner [this message]
2018-06-21  7:36       ` Michal Hocko
2018-06-21  8:09 ` Michal Hocko
2018-06-21  8:09   ` Michal Hocko
2018-06-21 14:37   ` Johannes Weiner
2018-06-21 15:05     ` Michal Hocko

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