Function only used in tcp_input.c
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        }
 }
 
-extern void tcp_enter_quickack_mode(struct sock *sk);
-
 #define        TCP_ECN_OK              1
 #define        TCP_ECN_QUEUE_CWR       2
 #define        TCP_ECN_DEMAND_CWR      4
 
                icsk->icsk_ack.quick = min(quickacks, TCP_MAX_QUICKACKS);
 }
 
-void tcp_enter_quickack_mode(struct sock *sk)
+static void tcp_enter_quickack_mode(struct sock *sk)
 {
        struct inet_connection_sock *icsk = inet_csk(sk);
        tcp_incr_quickack(sk);