From: Ingo Molnar <mingo@elte.hu>
To: Christoph Lameter <cl@linux.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
thomas.pi@arcor.dea, Yuriy Lalym <ylalym@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ltt-dev@lists.casi.polymtl.ca, Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH] Fix dirty page accounting in redirty_page_for_writepage()
Date: Thu, 30 Apr 2009 17:42:55 +0200 [thread overview]
Message-ID: <20090430154255.GA3714@elte.hu> (raw)
In-Reply-To: <alpine.DEB.1.10.0904301114440.4028@qirst.com>
* Christoph Lameter <cl@linux.com> wrote:
> On Thu, 30 Apr 2009, Ingo Molnar wrote:
>
> > Could you cite a specific example / situation where you'd use __xxx
> > ops?
>
> Well the cpu alloc v3 patchset (already cited) included numerous
> locations. Sure wish we could move much of the core stats over to
> percpu ops. Here is a list of some stats patches that do not need
> irq disable.
>
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1128
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1132
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1134
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1138
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1139
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1145 VM stats
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1160 NFS stats
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1161 Genhd stats
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1163 Socket inuse counter
> http://article.gmane.org/gmane.linux.kernel.cross-arch/1164 SRCU
nice. Do these all get called with irqs off, all the time?
Ingo
next prev parent reply other threads:[~2009-04-30 15:55 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-29 23:25 [PATCH] Fix dirty page accounting in redirty_page_for_writepage() Mathieu Desnoyers
2009-04-29 23:56 ` Mathieu Desnoyers
2009-04-29 23:59 ` Andrew Morton
2009-04-30 2:34 ` Mathieu Desnoyers
2009-04-30 0:06 ` Linus Torvalds
2009-04-30 2:43 ` Mathieu Desnoyers
2009-04-30 6:21 ` Ingo Molnar
2009-04-30 6:33 ` [ltt-dev] " Mathieu Desnoyers
2009-04-30 6:50 ` Ingo Molnar
2009-04-30 13:38 ` Christoph Lameter
2009-04-30 14:10 ` Ingo Molnar
2009-04-30 14:12 ` Mathieu Desnoyers
2009-04-30 14:12 ` Christoph Lameter
2009-04-30 19:41 ` Mathieu Desnoyers
2009-04-30 20:17 ` Christoph Lameter
2009-04-30 21:17 ` Mathieu Desnoyers
2009-05-01 13:44 ` Christoph Lameter
2009-05-01 19:21 ` Mathieu Desnoyers
2009-05-01 19:31 ` Christoph Lameter
2009-05-01 20:24 ` Mathieu Desnoyers
2009-05-01 20:28 ` Christoph Lameter
2009-05-01 20:43 ` Mathieu Desnoyers
2009-05-01 20:42 ` Christoph Lameter
2009-05-01 21:19 ` Mathieu Desnoyers
2009-05-02 3:00 ` Christoph Lameter
2009-05-02 7:01 ` Mathieu Desnoyers
2009-05-02 21:01 ` Mathieu Desnoyers
2009-05-04 14:08 ` Christoph Lameter
2009-05-03 2:40 ` Tejun Heo
2009-05-04 14:10 ` Christoph Lameter
2009-04-30 13:22 ` Christoph Lameter
2009-04-30 13:38 ` Ingo Molnar
2009-04-30 13:40 ` Christoph Lameter
2009-04-30 14:14 ` Ingo Molnar
2009-04-30 14:15 ` Christoph Lameter
2009-04-30 14:38 ` Ingo Molnar
2009-04-30 14:45 ` Christoph Lameter
2009-04-30 15:01 ` Ingo Molnar
2009-04-30 15:25 ` Christoph Lameter
2009-04-30 15:42 ` Ingo Molnar [this message]
2009-04-30 15:44 ` Christoph Lameter
2009-04-30 16:06 ` Ingo Molnar
2009-04-30 16:11 ` Christoph Lameter
2009-04-30 16:16 ` Linus Torvalds
2009-04-30 17:23 ` Ingo Molnar
2009-04-30 18:07 ` Christoph Lameter
2009-05-01 19:59 ` Ingo Molnar
2009-05-01 20:35 ` Christoph Lameter
2009-05-01 21:07 ` Ingo Molnar
2009-05-02 3:06 ` Christoph Lameter
2009-05-02 9:03 ` Ingo Molnar
2009-05-04 14:48 ` Christoph Lameter
2009-04-30 16:13 ` Linus Torvalds
2009-04-30 15:54 ` Ingo Molnar
2009-04-30 16:00 ` Ingo Molnar
2009-04-30 16:08 ` Christoph Lameter
2009-04-30 13:50 ` Mathieu Desnoyers
2009-04-30 13:55 ` Christoph Lameter
2009-04-30 14:32 ` Ingo Molnar
2009-04-30 14:42 ` Christoph Lameter
2009-04-30 14:59 ` Ingo Molnar
2009-04-30 16:03 ` [ltt-dev] " Mathieu Desnoyers
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