diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index f736d67..f7ac68c 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -14,9 +14,9 @@
 static DEFINE_MUTEX(percpu_counters_lock);
 #endif
 
-void __percpu_counter_add(struct percpu_counter *fbc, s32 amount, s32 batch)
+void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)
 {
-	long count;
+	s64 count;
 	s32 *pcount;
 	int cpu = get_cpu();