[PATCH] radix-tree: update the description for radix_tree_find_next_bit

From: Qiujun Huang
Date: Sun Mar 15 2020 - 23:02:28 EST


The function changed at some point, but the description was not
updated.

Signed-off-by: Qiujun Huang <hqjagain@xxxxxxxxx>
---
lib/radix-tree.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index c8fa1d2..3791378 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -178,12 +178,11 @@ static inline void all_tag_set(struct radix_tree_node *node, unsigned int tag)
* radix_tree_find_next_bit - find the next set bit in a memory region
*
* @addr: The address to base the search on
- * @size: The bitmap size in bits
+ * @tag: The tag index (< RADIX_TREE_MAX_TAGS)
* @offset: The bitnumber to start searching at
*
* Unrollable variant of find_next_bit() for constant size arrays.
- * Tail bits starting from size to roundup(size, BITS_PER_LONG) must be zero.
- * Returns next bit offset, or size if nothing found.
+ * Returns next bit offset, or RADIX_TREE_MAP_SIZE if nothing found.
*/
static __always_inline unsigned long
radix_tree_find_next_bit(struct radix_tree_node *node, unsigned int tag,
--
1.8.3.1