1068 			 tp->undo_marker ? tp->undo_retrans : 0);  in tcp_check_sack_reordering()
1246 	if (!is_dsack || !tp->undo_marker)  in tcp_is_sackblock_valid()
1253 	if (!before(start_seq, tp->undo_marker))  in tcp_is_sackblock_valid()
1257 	if (!after(end_seq, tp->undo_marker))  in tcp_is_sackblock_valid()
1297 	if (tp->undo_marker && tp->undo_retrans > 0 &&  in tcp_check_dsack()
1299 	    after(end_seq_0, tp->undo_marker))  in tcp_check_dsack()
1372 		if (tp->undo_marker && tp->undo_retrans > 0 &&  in tcp_sacktag_one()
1373 		    after(end_seq, tp->undo_marker))  in tcp_sacktag_one()
1875 				if (!tp->undo_marker)  in tcp_sacktag_write_queue()
2006 	if (inet_csk(sk)->icsk_ca_state != TCP_CA_Loss || tp->undo_marker)  in tcp_sacktag_write_queue()
2101 	tp->undo_marker = 0;  in tcp_clear_retrans()
2108 	tp->undo_marker = tp->snd_una;  in tcp_init_undo()
2526 	tp->undo_marker = 0;  in tcp_undo_cwnd_reduction()
2532 	return tp->undo_marker && (!tp->undo_retrans || tcp_packet_delayed(tp));  in tcp_may_undo()
2584 	if (tp->undo_marker && !tp->undo_retrans) {  in tcp_try_undo_dsack()
2678 	    (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR || tp->undo_marker)) {  in tcp_end_cwnd_reduction()
2692 		tp->undo_marker = 0;  in tcp_enter_cwr()
2812 		tp->undo_marker = 0;  in tcp_simple_retransmit()
2912 	if (tp->undo_marker && tcp_packet_delayed(tp)) {  in tcp_try_undo_partial()
6086 	if (tp->total_retrans > 1 && tp->undo_marker)  in tcp_init_transfer()
6212 	if (tp->undo_marker && syn_stamp && tp->rx_opt.saw_tstamp &&  in tcp_try_undo_spurious_syn()
6214 		tp->undo_marker = 0;  in tcp_try_undo_spurious_syn()