diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 7f760871..5313f850 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -300,7 +300,7 @@ DEF_ATOMIC_OPS(atomic_long,	long)
 DEF_ATOMIC_OPS(atomic64,	s64)
 #else
 s64 atomic64_read(const atomic64_t *v);
-s64 atomic64_read_acquire(const atomic64_t *v)
+static inline s64 atomic64_read_acquire(const atomic64_t *v)
 {
 	s64 ret = atomic64_read(v);
 	smp_mb__after_atomic();