rn_inithead_internal
rn_inithead_internal(&rnh->rh, rnh->rnh_nodes, off);
rn_inithead_internal(&rmh->head, rmh->mask_nodes, 0);
void rn_inithead_internal(struct radix_head *rh, struct radix_node *base_nodes,
rn_inithead_internal(&rh->head, rh->rnh_nodes, offset);
rn_inithead_internal(&rh->rmhead.head, rh->rmhead.mask_nodes, 0);