1 /* SPDX-License-Identifier: GPL-2.0 */
3 #include <linux/types.h>
4 #include <linux/radix-tree.h>
5 #include <linux/rcupdate.h>
8 struct rcu_head rcu_head
;
13 struct item
*item_create(unsigned long index
, unsigned int order
);
14 int item_insert(struct radix_tree_root
*root
, unsigned long index
);
15 void item_sanity(struct item
*item
, unsigned long index
);
16 void item_free(struct item
*item
, unsigned long index
);
17 int item_delete(struct radix_tree_root
*root
, unsigned long index
);
18 int item_delete_rcu(struct xarray
*xa
, unsigned long index
);
19 struct item
*item_lookup(struct radix_tree_root
*root
, unsigned long index
);
21 void item_check_present(struct radix_tree_root
*root
, unsigned long index
);
22 void item_check_absent(struct radix_tree_root
*root
, unsigned long index
);
23 void item_gang_check_present(struct radix_tree_root
*root
,
24 unsigned long start
, unsigned long nr
,
26 void item_full_scan(struct radix_tree_root
*root
, unsigned long start
,
27 unsigned long nr
, int chunk
);
28 void item_kill_tree(struct radix_tree_root
*root
);
30 int tag_tagged_items(struct xarray
*, unsigned long start
, unsigned long end
,
31 unsigned batch
, xa_mark_t iftag
, xa_mark_t thentag
);
33 void xarray_tests(void);
35 void multiorder_checks(void);
36 void iteration_test(unsigned order
, unsigned duration
);
37 void iteration_test2(unsigned duration
);
39 void idr_checks(void);
43 item_tag_set(struct radix_tree_root
*root
, unsigned long index
, int tag
);
45 item_tag_clear(struct radix_tree_root
*root
, unsigned long index
, int tag
);
46 int item_tag_get(struct radix_tree_root
*root
, unsigned long index
, int tag
);
47 void tree_verify_min_height(struct radix_tree_root
*root
, int maxindex
);
48 void verify_tag_consistency(struct radix_tree_root
*root
, unsigned int tag
);
50 extern int nr_allocated
;
52 /* Normally private parts of lib/radix-tree.c */
53 struct radix_tree_node
*entry_to_node(void *ptr
);
54 void radix_tree_dump(struct radix_tree_root
*root
);
55 int root_tag_get(struct radix_tree_root
*root
, unsigned int tag
);
56 unsigned long node_maxindex(struct radix_tree_node
*);
57 unsigned long shift_maxindex(unsigned int shift
);
58 int radix_tree_cpu_dead(unsigned int cpu
);
59 extern struct radix_tree_preload radix_tree_preloads
;