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authorGlauber Costa <glommer@parallels.com>2011-10-31 17:12:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-31 17:30:56 -0700
commit3a8495c739c1c773181a246dbb7c12b5b67a8325 (patch)
tree6cbd16eaf869da1c5acdb4f89ab3c3da0f2e3c55
parentb9c321fd87b61f70888511d286500519d8b34141 (diff)
downloadlwn-3a8495c739c1c773181a246dbb7c12b5b67a8325.tar.gz
lwn-3a8495c739c1c773181a246dbb7c12b5b67a8325.zip
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/percpu_counter.c2
1 files changed, 2 insertions, 0 deletions
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