tcp_write_wakeup  465 include/net/tcp.h extern int  tcp_write_wakeup(struct sock *);
tcp_write_wakeup 2592 net/ipv4/tcp_output.c 	err = tcp_write_wakeup(sk);
tcp_write_wakeup  511 net/ipv4/tcp_timer.c 		if (tcp_write_wakeup(sk) <= 0) {