Symbol: tcp_sack_extend
net/ipv4/tcp_input.c
5055
tcp_sack_extend(tp->duplicate_sack, seq, end_seq);
net/ipv4/tcp_input.c
5127
if (tcp_sack_extend(sp, swalk->start_seq, swalk->end_seq)) {
net/ipv4/tcp_input.c
5181
if (tcp_sack_extend(sp, seq, end_seq)) {