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Diffstat (limited to 'include/linux/radix-tree.h')
-rw-r--r--include/linux/radix-tree.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index c57ff2fcb30a..dd83cca28001 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -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)
{