The nocache-argument was used in tcp_v4_send_synack as an argument to
inet_csk_route_req. However, since 
ba3f7f04ef2b (ipv4: Kill
FLOWI_FLAG_RT_NOCACHE and associated code.) this is no more used.
This patch removes the unsued argument from tcp_v4_send_synack.
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
  */
 static int tcp_v4_send_synack(struct sock *sk, struct dst_entry *dst,
                              struct request_sock *req,
-                             u16 queue_mapping,
-                             bool nocache)
+                             u16 queue_mapping)
 {
        const struct inet_request_sock *ireq = inet_rsk(req);
        struct flowi4 fl4;
 
 static int tcp_v4_rtx_synack(struct sock *sk, struct request_sock *req)
 {
-       int res = tcp_v4_send_synack(sk, NULL, req, 0, false);
+       int res = tcp_v4_send_synack(sk, NULL, req, 0);
 
        if (!res)
                TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_RETRANSSEGS);