advancing_rto     596 include/net/tcp.h bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto);
advancing_rto    2491 net/ipv4/tcp_output.c bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
advancing_rto    2529 net/ipv4/tcp_output.c 	rto_delta_us = advancing_rto ?