radix_tree_delete
void *radix_tree_delete(struct radix_tree_root *, unsigned long);
radix_tree_delete(root, iter->index);
*ppitem = radix_tree_delete(root, index);
retval = radix_tree_delete(&xa->xa_head, index);
radix_tree_delete(&cq_table->tree, cq->cqn);
radix_tree_delete(&cq_table->tree, cq->cqn);
radix_tree_delete(&dev->qp_table_tree, qp->qpn & (dev->caps.num_qps - 1));
radix_tree_delete(&srq_table->tree, srq->srqn);
radix_tree_delete(&srq_table->tree, srq->srqn);
tmp = radix_tree_delete(&table->tree, cq->cqn);
deleted_mr = radix_tree_delete(&table->tree, mlx5_mkey_to_idx(mkey->key));
radix_tree_delete(&table->tree, qp->qpn | (rsc_type << 24));
if (radix_tree_delete(&table->tree, dct->dctn) != dct)
tmp = radix_tree_delete(&table->tree, srq->srqn);