diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ec8737ec59b590f0c691828a76144afdf262304b..bc96100fe23c7ab2d8ff5a7bffe07a023014369a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -155,8 +155,9 @@ static void skb_under_panic(struct sk_buff *skb, int sz, void *here)
  */
 #define kmalloc_reserve(size, gfp, node, pfmemalloc) \
 	 __kmalloc_reserve(size, gfp, node, _RET_IP_, pfmemalloc)
-void *__kmalloc_reserve(size_t size, gfp_t flags, int node, unsigned long ip,
-			 bool *pfmemalloc)
+
+static void *__kmalloc_reserve(size_t size, gfp_t flags, int node,
+			       unsigned long ip, bool *pfmemalloc)
 {
 	void *obj;
 	bool ret_pfmemalloc = false;