From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 12 May 2008 21:02:06 +0000 (-0700)
Subject: make vmstat cpu-unplug safe
X-Git-Tag: v2.6.26-rc3~104
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5be11329f8cb2cc1a4c3b33b6b8d096c6012895;p=pandora-kernel.git

make vmstat cpu-unplug safe

When accessing cpu_online_map, we should prevent dynamic changing
of cpu_online_map by get_online_cpus().

Unfortunately, all_vm_events() doesn't do that.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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