[PATCH] nitpick: enclose hotplug only variables in hotplug ifdef

[Glauber Costa]

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

Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 lib/percpu_counter.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 28f2c33..30cbe47 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
 
-- 
1.7.6

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