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-rw-r--r--lib/radix-tree.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index d832117e7d94..7e30d2a7f346 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -946,81 +946,6 @@ next:
}
EXPORT_SYMBOL(radix_tree_range_tag_if_tagged);
-
-/**
- * radix_tree_next_hole - find the next hole (not-present entry)
- * @root: tree root
- * @index: index key
- * @max_scan: maximum range to search
- *
- * Search the set [index, min(index+max_scan-1, MAX_INDEX)] for the lowest
- * indexed hole.
- *
- * Returns: the index of the hole if found, otherwise returns an index
- * outside of the set specified (in which case 'return - index >= max_scan'
- * will be true). In rare cases of index wrap-around, 0 will be returned.
- *
- * radix_tree_next_hole may be called under rcu_read_lock. However, like
- * radix_tree_gang_lookup, this will not atomically search a snapshot of
- * the tree at a single point in time. For example, if a hole is created
- * at index 5, then subsequently a hole is created at index 10,
- * radix_tree_next_hole covering both indexes may return 10 if called
- * under rcu_read_lock.
- */
-unsigned long radix_tree_next_hole(struct radix_tree_root *root,
- unsigned long index, unsigned long max_scan)
-{
- unsigned long i;
-
- for (i = 0; i < max_scan; i++) {
- if (!radix_tree_lookup(root, index))
- break;
- index++;
- if (index == 0)
- break;
- }
-
- return index;
-}
-EXPORT_SYMBOL(radix_tree_next_hole);
-
-/**
- * radix_tree_prev_hole - find the prev hole (not-present entry)
- * @root: tree root
- * @index: index key
- * @max_scan: maximum range to search
- *
- * Search backwards in the range [max(index-max_scan+1, 0), index]
- * for the first hole.
- *
- * Returns: the index of the hole if found, otherwise returns an index
- * outside of the set specified (in which case 'index - return >= max_scan'
- * will be true). In rare cases of wrap-around, ULONG_MAX will be returned.
- *
- * radix_tree_next_hole may be called under rcu_read_lock. However, like
- * radix_tree_gang_lookup, this will not atomically search a snapshot of
- * the tree at a single point in time. For example, if a hole is created
- * at index 10, then subsequently a hole is created at index 5,
- * radix_tree_prev_hole covering both indexes may return 5 if called under
- * rcu_read_lock.
- */
-unsigned long radix_tree_prev_hole(struct radix_tree_root *root,
- unsigned long index, unsigned long max_scan)
-{
- unsigned long i;
-
- for (i = 0; i < max_scan; i++) {
- if (!radix_tree_lookup(root, index))
- break;
- index--;
- if (index == ULONG_MAX)
- break;
- }
-
- return index;
-}
-EXPORT_SYMBOL(radix_tree_prev_hole);
-
/**
* radix_tree_gang_lookup - perform multiple lookup on a radix tree
* @root: radix tree root