1#include <linux/gfp.h>
 2#include <linux/types.h>
 3#include <linux/radix-tree.h>
 4#include <linux/rcupdate.h>
 5
 6struct item {
 7	unsigned long index;
 8	unsigned int order;
 9};
10
11struct item *item_create(unsigned long index, unsigned int order);
12int __item_insert(struct radix_tree_root *root, struct item *item);
13int item_insert(struct radix_tree_root *root, unsigned long index);
14int item_insert_order(struct radix_tree_root *root, unsigned long index,
15			unsigned order);
16int item_delete(struct radix_tree_root *root, unsigned long index);
17struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
18
19void item_check_present(struct radix_tree_root *root, unsigned long index);
20void item_check_absent(struct radix_tree_root *root, unsigned long index);
21void item_gang_check_present(struct radix_tree_root *root,
22			unsigned long start, unsigned long nr,
23			int chunk, int hop);
24void item_full_scan(struct radix_tree_root *root, unsigned long start,
25			unsigned long nr, int chunk);
26void item_kill_tree(struct radix_tree_root *root);
27
28int tag_tagged_items(struct radix_tree_root *, pthread_mutex_t *,
29			unsigned long start, unsigned long end, unsigned batch,
30			unsigned iftag, unsigned thentag);
31unsigned long find_item(struct radix_tree_root *, void *item);
32
33void tag_check(void);
34void multiorder_checks(void);
35void iteration_test(unsigned order, unsigned duration);
36void benchmark(void);
37
38struct item *
39item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
40struct item *
41item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
42int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
43void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
44void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
45
46extern int nr_allocated;
47
48/* Normally private parts of lib/radix-tree.c */
49struct radix_tree_node *entry_to_node(void *ptr);
50void radix_tree_dump(struct radix_tree_root *root);
51int root_tag_get(struct radix_tree_root *root, unsigned int tag);
52unsigned long node_maxindex(struct radix_tree_node *);
53unsigned long shift_maxindex(unsigned int shift);
54int radix_tree_cpu_dead(unsigned int cpu);
55struct radix_tree_preload {
56	unsigned nr;
57	struct radix_tree_node *nodes;
58};
59extern struct radix_tree_preload radix_tree_preloads;