diff --git a/net/dccp/input.c b/net/dccp/input.c
index 7648f31..9ec7174 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -12,6 +12,7 @@
 
 #include <linux/dccp.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>