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-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 f087105..f8a3f1a 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
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