sysctl_tcp_comp_sack_nr 170 include/net/netns/ipv4.h int sysctl_tcp_comp_sack_nr; sysctl_tcp_comp_sack_nr 1303 net/ipv4/sysctl_net_ipv4.c .data = &init_net.ipv4.sysctl_tcp_comp_sack_nr, sysctl_tcp_comp_sack_nr 5259 net/ipv4/tcp_input.c tp->compressed_ack >= sock_net(sk)->ipv4.sysctl_tcp_comp_sack_nr) sysctl_tcp_comp_sack_nr 2723 net/ipv4/tcp_ipv4.c net->ipv4.sysctl_tcp_comp_sack_nr = 44;