M_RADIX
free(node, M_RADIX, sizeof(*node));
node = malloc(sizeof(*node), M_RADIX, root->gfp_mask | M_ZERO);
node = malloc(sizeof(*node), M_RADIX, root->gfp_mask | M_ZERO);
temp[idx] = malloc(sizeof(*node), M_RADIX,
free(temp[idx], M_RADIX, sizeof(*node));
free(root->rnode, M_RADIX, sizeof(*root->rnode));