tcp_full_space
RCV_WSCALE(tp) = select_rcv_wscale(tcp_full_space(newsk),
wnd = max_t(unsigned int, wnd, tcp_full_space(sk));
full_space = tcp_full_space(sk);
maxwin = tcp_full_space(sk);
int full_space = tcp_full_space(sk_listener);
int allowed_space = tcp_full_space(sk);
(tp->window_clamp > tcp_full_space(sk) || tp->window_clamp == 0))
WRITE_ONCE(tp->window_clamp, tcp_full_space(sk));
tcp_select_initial_window(sk, tcp_full_space(sk),
full_space = tcp_full_space(sk);