From mboxrd@z Thu Jan  1 00:00:00 1970
From: cl@linux.com (Christoph Lameter)
Date: Thu, 30 Apr 2009 11:25:39 -0400 (EDT)
Subject: [ltt-dev] [PATCH] Fix dirty page accounting in
 redirty_page_for_writepage()
In-Reply-To: <20090430150142.GC20580@elte.hu>
References: <20090429232546.GB15782@Krystal>
	<alpine.LFD.2.00.0904291701450.22156@localhost.localdomain>
	<20090430024303.GB19875@Krystal>
	<alpine.DEB.1.10.0904300921290.22262@qirst.com>
	<20090430133859.GB8329@elte.hu>
	<alpine.DEB.1.10.0904300938220.22262@qirst.com>
	<20090430141446.GD14696@elte.hu>
	<alpine.DEB.1.10.0904301013110.14178@qirst.com>
	<20090430143819.GF14696@elte.hu>
	<alpine.DEB.1.10.0904301042170.4028@qirst.com>
	<20090430150142.GC20580@elte.hu>
Message-ID: <alpine.DEB.1.10.0904301114440.4028@qirst.com>

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