212 	unsigned int space = (__space < 0 ? 0 : __space);  in tcp_select_initial_window()  local
217 	space = min(*window_clamp, space);  in tcp_select_initial_window()
220 	if (space > mss)  in tcp_select_initial_window()
221 		space = rounddown(space, mss);  in tcp_select_initial_window()
232 		(*rcv_wnd) = min(space, MAX_TCP_WINDOW);  in tcp_select_initial_window()
234 		(*rcv_wnd) = min_t(u32, space, U16_MAX);  in tcp_select_initial_window()
242 		space = max_t(u32, space, sock_net(sk)->ipv4.sysctl_tcp_rmem[2]);  in tcp_select_initial_window()
243 		space = max_t(u32, space, sysctl_rmem_max);  in tcp_select_initial_window()
244 		space = min_t(u32, space, *window_clamp);  in tcp_select_initial_window()
245 		*rcv_wscale = clamp_t(int, ilog2(space) - 15,  in tcp_select_initial_window()
2885 				     int space)  in tcp_retrans_try_collapse()  argument
2903 		space -= skb->len;  in tcp_retrans_try_collapse()
2910 		if (space < 0)  in tcp_retrans_try_collapse()
3533 	int space, err = 0;  in tcp_send_syn_data()  local
3548 	space = __tcp_mtu_to_mss(sk, icsk->icsk_pmtu_cookie) -  in tcp_send_syn_data()
3551 	space = min_t(size_t, space, fo->size);  in tcp_send_syn_data()
3554 	space = min_t(size_t, space, SKB_MAX_HEAD(MAX_TCP_HEADER));  in tcp_send_syn_data()
3556 	syn_data = sk_stream_alloc_skb(sk, space, sk->sk_allocation, false);  in tcp_send_syn_data()
3561 	if (space) {  in tcp_send_syn_data()
3562 		int copied = copy_from_iter(skb_put(syn_data, space), space,  in tcp_send_syn_data()
3569 		if (copied != space) {  in tcp_send_syn_data()
3571 			space = copied;  in tcp_send_syn_data()
3576 	if (space == fo->size)  in tcp_send_syn_data()
3578 	fo->copied = space;  in tcp_send_syn_data()