diff --git a/include/net/dst.h b/include/net/dst.h
index ae13370..002500e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -163,15 +163,7 @@
 	return dst;
 }
 
-static inline
-void dst_release(struct dst_entry * dst)
-{
-	if (dst) {
-		WARN_ON(atomic_read(&dst->__refcnt) < 1);
-		smp_mb__before_atomic_dec();
-		atomic_dec(&dst->__refcnt);
-	}
-}
+extern void dst_release(struct dst_entry *dst);
 
 /* Children define the path of the packet through the
  * Linux networking.  Thus, destinations are stackable.