From 50acfe580a487b830a7c957e9f300ab0d283930d Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@parallels.com>
Date: Wed, 5 Oct 2011 11:43:36 +1100
Subject: [PATCH] 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>
---
 lib/percpu_counter.c | 2 ++
 1 file changed, 2 insertions(+)

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
 
-- 
2.39.2