From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: David Rientjes <rientjes@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, kosaki.motohiro@gmail.com
Subject: Re: [patch for-3.12] mm, memcg: protect mem_cgroup_read_events for cpu hotplug
Date: Tue, 01 Oct 2013 20:47:01 -0400 [thread overview]
Message-ID: <524B6D05.5030609@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1310011629350.27758@chino.kir.corp.google.com>
(10/1/13 7:31 PM), David Rientjes wrote:
> for_each_online_cpu() needs the protection of {get,put}_online_cpus() so
> cpu_online_mask doesn't change during the iteration.
>
> Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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next prev parent reply other threads:[~2013-10-02 0:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-01 23:31 David Rientjes
2013-10-02 0:47 ` KOSAKI Motohiro [this message]
[not found] ` <alpine.DEB.2.02.1310011629350.27758-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2013-10-02 2:22 ` Johannes Weiner
2013-10-02 3:08 ` David Rientjes
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