From: Christoph Lameter <cl@linux.com>
Date: Wed, 11 Sep 2013 21:21:32 +0000 (-0700)
Subject: vmstat: use this_cpu() to avoid irqon/off sequence in refresh_cpu_vm_stats
X-Git-Tag: v3.12-rc1~52^2~229
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbc2edb05354480a88aa39db8a6acb5782fa1a1b;p=pandora-kernel.git

vmstat: use this_cpu() to avoid irqon/off sequence in refresh_cpu_vm_stats

Disabling interrupts repeatedly can be avoided in the inner loop if we use
a this_cpu operation.

Signed-off-by: Christoph Lameter <cl@linux.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Tejun Heo <tj@kernel.org>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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