Diffstat (limited to 'lib/radix-tree.c')
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index d7c878cc006..e7964296fd5 100644
@@ -686,6 +686,9 @@ void **radix_tree_next_chunk(struct radix_tree_root *root,
* during iterating; it can be zero only at the beginning.
* And we cannot overflow iter->next_index in a single step,
* because RADIX_TREE_MAP_SHIFT < BITS_PER_LONG.
+ * This condition also used by radix_tree_next_slot() to stop
+ * contiguous iterating, and forbid swithing to the next chunk.
index = iter->next_index;
if (!index && iter->index)