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[PATCH] radix-tree documentation cleanups

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Documentation changes to help radix tree users avoid overrunning the tags
array.  RADIX_TREE_TAGS moves to linux/radix-tree.h and is now known as
RADIX_TREE_MAX_TAGS (Nick Piggin's idea).  Tag parameters are changed to
unsigned, and some comments are updated.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jonathan Corbet 2006-03-25 03:08:05 -08:00 • committed by Linus Torvalds
parent 57070d012c
commit daff89f324
2 changed files with 35 additions and 27 deletions
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13
include/linux/radix-tree.h
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@ -45,6 +45,8 @@ do { \
(root)->rnode = NULL; \
} while (0)
#define RADIX_TREE_MAX_TAGS 2
int radix_tree_insert(struct radix_tree_root *, unsigned long, void *);
void *radix_tree_lookup(struct radix_tree_root *, unsigned long);
void **radix_tree_lookup_slot(struct radix_tree_root *, unsigned long);
@ -55,15 +57,16 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
int radix_tree_preload(gfp_t gfp_mask);
void radix_tree_init(void);
void *radix_tree_tag_set(struct radix_tree_root *root,
unsigned long index, int tag);
unsigned long index, unsigned int tag);
void *radix_tree_tag_clear(struct radix_tree_root *root,
unsigned long index, int tag);
unsigned long index, unsigned int tag);
int radix_tree_tag_get(struct radix_tree_root *root,
unsigned long index, int tag);
unsigned long index, unsigned int tag);
unsigned int
radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results,
unsigned long first_index, unsigned int max_items, int tag);
int radix_tree_tagged(struct radix_tree_root *root, int tag);
unsigned long first_index, unsigned int max_items,
unsigned int tag);
int radix_tree_tagged(struct radix_tree_root *root, unsigned int tag);
static inline void radix_tree_preload_end(void)
{