ath10k: implement ath10k_debug_start/stop()

[cascardo/linux.git] / lib / radix-tree.c

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index d7c878c..e796429 100644 (file)
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -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)