diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index c11f80f328f1d77212eb2ce5ab0b9e08dba3967b..10a625760de9128c57dbc047e6c766dd29069122 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -120,14 +120,14 @@ struct inet_connection_sock {
 		__u16		  rcv_mss;	 /* MSS used for delayed ACK decisions	   */
 	} icsk_ack;
 	struct {
-		int		  enabled;
-
 		/* Range of MTUs to search */
 		int		  search_high;
 		int		  search_low;
 
 		/* Information on the current probe. */
-		int		  probe_size;
+		u32		  probe_size:31,
+		/* Is the MTUP feature enabled for this connection? */
+				  enabled:1;
 
 		u32		  probe_timestamp;
 	} icsk_mtup;