mirror of https://gitee.com/openkylin/linux.git
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
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#include <linux/gfp.h>
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#include <linux/types.h>
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#include <linux/radix-tree.h>
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#include <linux/rcupdate.h>
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struct item {
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unsigned long index;
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};
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struct item *item_create(unsigned long index);
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int __item_insert(struct radix_tree_root *root, struct item *item);
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int item_insert(struct radix_tree_root *root, unsigned long index);
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int item_delete(struct radix_tree_root *root, unsigned long index);
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struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
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void item_check_present(struct radix_tree_root *root, unsigned long index);
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void item_check_absent(struct radix_tree_root *root, unsigned long index);
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void item_gang_check_present(struct radix_tree_root *root,
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unsigned long start, unsigned long nr,
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int chunk, int hop);
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void item_full_scan(struct radix_tree_root *root, unsigned long start,
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unsigned long nr, int chunk);
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void item_kill_tree(struct radix_tree_root *root);
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void tag_check(void);
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struct item *
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item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
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struct item *
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item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
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int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
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void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
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void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
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extern int nr_allocated;
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/* Normally private parts of lib/radix-tree.c */
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void *indirect_to_ptr(void *ptr);
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int root_tag_get(struct radix_tree_root *root, unsigned int tag);
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unsigned long radix_tree_maxindex(unsigned int height);
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