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From: Peter Zijlstra <peterz@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Thelen <gthelen@google.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Balbir Singh <bsingharora@gmail.com>,
	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH] memcg: remove unneeded preempt_disable
Date: Thu, 25 Aug 2011 16:57:52 +0200	[thread overview]
Message-ID: <1314284272.27911.32.camel@twins> (raw)
In-Reply-To: <20110818144025.8e122a67.akpm@linux-foundation.org>

On Thu, 2011-08-18 at 14:40 -0700, Andrew Morton wrote:
> 
> I think I'll apply it, as the call frequency is low (correct?) and the
> problem will correct itself as other architectures implement their
> atomic this_cpu_foo() operations. 

Which leads me to wonder, can anything but x86 implement that this_cpu_*
muck? I doubt any of the risk chips can actually do all this.
Maybe Itanic, but then that seems to be dying fast.

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  parent reply	other threads:[~2011-08-25 14:58 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-18  6:50 [PATCH] memcg: remove unneeded preempt_disable Greg Thelen
2011-08-18  6:52 ` KAMEZAWA Hiroyuki
2011-08-18  9:38 ` Johannes Weiner
2011-08-18 14:26   ` Valdis.Kletnieks
2011-08-18 14:41     ` Johannes Weiner
2011-08-18 18:27       ` Valdis.Kletnieks
2011-08-18 21:40 ` Andrew Morton
2011-08-19  0:00   ` Greg Thelen
2011-08-25 14:57   ` Peter Zijlstra [this message]
2011-08-25 15:11     ` Christoph Lameter
2011-08-25 16:20       ` James Bottomley
2011-08-25 16:31         ` Christoph Lameter
2011-08-25 16:34           ` James Bottomley
2011-08-25 17:07             ` Christoph Lameter
2011-08-25 18:34               ` James Bottomley
2011-08-25 18:46                 ` Christoph Lameter
2011-08-25 18:49                   ` Peter Zijlstra
2011-08-25 18:53                   ` Peter Zijlstra
2011-08-25 19:05                   ` Peter Zijlstra
2011-08-25 19:19                     ` Christoph Lameter
2011-08-25 22:56                       ` Peter Zijlstra
2011-08-25 19:29                   ` James Bottomley
2011-08-25 23:01                     ` Peter Zijlstra
2011-08-25 18:40           ` Peter Zijlstra
2011-09-06  9:58 ` Johannes Weiner
2011-09-06 10:04   ` KAMEZAWA Hiroyuki
2011-09-06 10:49     ` Johannes Weiner
2011-09-06 10:45       ` KAMEZAWA Hiroyuki
2011-09-06 18:04   ` Greg Thelen

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