From: Glauber Costa <glommer@parallels.com>
Date: Wed, 5 Oct 2011 00:43:36 +0000 (+1100)
Subject: lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef
X-Git-Tag: next-20111013~1^2~83
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=741402445e8e8606215c489111c90f989cf105d6;p=karo-tx-linux.git

lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef

These variables are only used when CONFIG_HOTPLUG_CPU is enabled, they are
ifdef'ed everywhere else.  So don't define them when CONFIG_HOTPLUG_CPU is
not enabled.

Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index f087105ed914..f8a3f1a829b8 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -10,8 +10,10 @@
 #include <linux/module.h>
 #include <linux/debugobjects.h>
 
+#ifdef CONFIG_HOTPLUG_CPU
 static LIST_HEAD(percpu_counters);
 static DEFINE_MUTEX(percpu_counters_lock);
+#endif
 
 #ifdef CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER