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From: Andrew Morton <akpm@linux-foundation.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Greg Thelen <gthelen@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	David Rientjes <rientjes@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Minchan Kim <minchan.kim@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [BUGFIX] memcg: fix res_counter_read_u64 lock aware (Was Re: [PATCH] oom: handle overflow in mem_cgroup_out_of_memory()
Date: Wed, 26 Jan 2011 17:55:28 -0800	[thread overview]
Message-ID: <20110126175528.1cc73ba9.akpm@linux-foundation.org> (raw)
In-Reply-To: <20110127103431.04432944.kamezawa.hiroyu@jp.fujitsu.com>

On Thu, 27 Jan 2011 10:34:31 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> I wonder making memcg's counter to use 32bit and record usage in the number
> of pages may be a simple way...

That would be better, yes.

WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Greg Thelen <gthelen@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	David Rientjes <rientjes@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Minchan Kim <minchan.kim@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [BUGFIX] memcg: fix res_counter_read_u64 lock aware (Was Re: [PATCH] oom: handle overflow in mem_cgroup_out_of_memory()
Date: Wed, 26 Jan 2011 17:55:28 -0800	[thread overview]
Message-ID: <20110126175528.1cc73ba9.akpm@linux-foundation.org> (raw)
In-Reply-To: <20110127103431.04432944.kamezawa.hiroyu@jp.fujitsu.com>

On Thu, 27 Jan 2011 10:34:31 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> I wonder making memcg's counter to use 32bit and record usage in the number
> of pages may be a simple way...

That would be better, yes.

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  reply	other threads:[~2011-01-27  1:55 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-26  8:29 [PATCH] oom: handle overflow in mem_cgroup_out_of_memory() Greg Thelen
2011-01-26  8:29 ` Greg Thelen
2011-01-26 13:40 ` Balbir Singh
2011-01-26 13:40   ` Balbir Singh
2011-01-26 17:07 ` Johannes Weiner
2011-01-26 17:07   ` Johannes Weiner
2011-01-26 17:33   ` Greg Thelen
2011-01-26 17:33     ` Greg Thelen
2011-01-26 18:30     ` Johannes Weiner
2011-01-26 18:30       ` Johannes Weiner
2011-01-26 20:32       ` Greg Thelen
2011-01-26 20:32         ` Greg Thelen
2011-01-26 22:29         ` Andrew Morton
2011-01-26 22:29           ` Andrew Morton
2011-01-27  0:24           ` KAMEZAWA Hiroyuki
2011-01-27  0:24             ` KAMEZAWA Hiroyuki
2011-01-27  0:53             ` [BUGFIX] memcg: fix res_counter_read_u64 lock aware (Was " KAMEZAWA Hiroyuki
2011-01-27  0:53               ` KAMEZAWA Hiroyuki
2011-01-27  1:08               ` Andrew Morton
2011-01-27  1:08                 ` Andrew Morton
2011-01-27  1:24                 ` KAMEZAWA Hiroyuki
2011-01-27  1:24                   ` KAMEZAWA Hiroyuki
2011-01-27  1:34                 ` KAMEZAWA Hiroyuki
2011-01-27  1:34                   ` KAMEZAWA Hiroyuki
2011-01-27  1:55                   ` Andrew Morton [this message]
2011-01-27  1:55                     ` Andrew Morton
2011-01-27  1:43               ` [BUGFIX v2] " KAMEZAWA Hiroyuki
2011-01-27  1:43                 ` KAMEZAWA Hiroyuki
2011-01-27  1:57                 ` Andrew Morton
2011-01-27  1:57                   ` Andrew Morton
2011-01-27  2:13                   ` KAMEZAWA Hiroyuki
2011-01-27  2:13                     ` KAMEZAWA Hiroyuki
2011-01-27  0:40     ` KAMEZAWA Hiroyuki
2011-01-27  0:40       ` KAMEZAWA Hiroyuki

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