ACK_RATIO_SHIFT    67 net/ipv4/tcp_bic.c 	ca->delayed_ack = 2 << ACK_RATIO_SHIFT;
ACK_RATIO_SHIFT   135 net/ipv4/tcp_bic.c 	ca->cnt = (ca->cnt << ACK_RATIO_SHIFT) / ca->delayed_ack;
ACK_RATIO_SHIFT   197 net/ipv4/tcp_bic.c 			(ca->delayed_ack >> ACK_RATIO_SHIFT);