NET_IPV6_ACCEPT_RA_RTR_PREF 492 kernel/sysctl_check.c { NET_IPV6_ACCEPT_RA_RTR_PREF, "accept_ra_rtr_pref" }, NET_IPV6_ACCEPT_RA_RTR_PREF 4188 net/ipv6/addrconf.c .ctl_name = NET_IPV6_ACCEPT_RA_RTR_PREF,