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 <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
AnTAVR · Nov 1, 2011 · 3a8495c · 3a8495c
1 parent b9c321f
commit 3a8495c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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