RTM_NR_MSGTYPES 115 include/linux/rtnetlink.h #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) RTM_NR_MSGTYPES 101 net/core/rtnetlink.c BUG_ON(msgindex < 0 || msgindex >= RTM_NR_MSGTYPES); RTM_NR_MSGTYPES 156 net/core/rtnetlink.c tab = kcalloc(RTM_NR_MSGTYPES, sizeof(*tab), GFP_KERNEL);