From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 27 May 2010 17:32:08 +0000 (-0700)
Subject: Avoid warning when CPU hotplug isn't enabled
X-Git-Tag: v2.6.35-rc1~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00b9b0af5887fed54e899e3b7f5c2ccf5e739def;p=pandora-kernel.git

Avoid warning when CPU hotplug isn't enabled

Commit e9fb7631ebcd ("cpu-hotplug: introduce cpu_notify(),
__cpu_notify(), cpu_notify_nofail()") also introduced this annoying
warning:

  kernel/cpu.c:157: warning: 'cpu_notify_nofail' defined but not used

when CONFIG_HOTPLUG_CPU wasn't set.

So move that helper inside the #ifdef CONFIG_HOTPLUG_CPU region, and
simplify it while at it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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