1 // SPDX-License-Identifier: GPL-2.0+ 2 /* radix-tree helpers that are only shared with xarray */ 3 4 struct kmem_cache; 5 struct rcu_head; 6 7 extern struct kmem_cache *radix_tree_node_cachep; 8 extern void radix_tree_node_rcu_free(struct rcu_head *head); 9