/* SPDX-License-Identifier: GPL-2.0 */#include <linux/gfp.h>#include <linux/types.h>#include <linux/radix-tree.h>#include <linux/rcupdate.h> struct item {	struct rcu_head	rcu_head;	unsigned long index;	unsigned int order;}; struct item *item_create(unsigned long index, unsigned int order);int item_insert(struct radix_tree_root *root, unsigned long index);void item_sanity(struct item *item, unsigned long index);void item_free(struct item *item, unsigned long index);int item_delete(struct radix_tree_root *root, unsigned long index);int item_delete_rcu(struct xarray *xa, unsigned long index);struct item *item_lookup(struct radix_tree_root *root, unsigned long index); void item_check_present(struct radix_tree_root *root, unsigned long index);void item_check_absent(struct radix_tree_root *root, unsigned long index);void item_gang_check_present(struct radix_tree_root *root,			unsigned long start, unsigned long nr,			int chunk, int hop);void item_full_scan(struct radix_tree_root *root, unsigned long start,			unsigned long nr, int chunk);void item_kill_tree(struct radix_tree_root *root); int tag_tagged_items(struct xarray *, unsigned long start, unsigned long end,		unsigned batch, xa_mark_t iftag, xa_mark_t thentag); void xarray_tests(void);void tag_check(void);void multiorder_checks(void);void iteration_test(unsigned order, unsigned duration);void iteration_test2(unsigned duration);void benchmark(void);void idr_checks(void);void ida_tests(void); struct item *item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);struct item *item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);void tree_verify_min_height(struct radix_tree_root *root, int maxindex);void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag); extern int nr_allocated; /* Normally private parts of lib/radix-tree.c */struct radix_tree_node *entry_to_node(void *ptr);void radix_tree_dump(struct radix_tree_root *root);int root_tag_get(struct radix_tree_root *root, unsigned int tag);unsigned long node_maxindex(struct radix_tree_node *);unsigned long shift_maxindex(unsigned int shift);int radix_tree_cpu_dead(unsigned int cpu);extern struct radix_tree_preload radix_tree_preloads;