use_shadow 43 net/ipv4/tcp_cdg.c static bool use_shadow __read_mostly = true; use_shadow 57 net/ipv4/tcp_cdg.c module_param(use_shadow, bool, 0644); use_shadow 58 net/ipv4/tcp_cdg.c MODULE_PARM_DESC(use_shadow, "use shadow window heuristic"); use_shadow 340 net/ipv4/tcp_cdg.c if (use_shadow)