[PATCH 7/9] maple_tree: Delete redundant code in mas_next_node()

From: Peng Zhang
Date: Tue Apr 25 2023 - 07:06:32 EST


When offset == node_end is satisfied, go to the parent node, mas->max
will not change. So there is no need to update min on the move.

Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
---
lib/maple_tree.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 83441ef2e1f57..8bfa837b7b752 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4616,7 +4616,8 @@ static inline int mas_next_node(struct ma_state *mas, struct maple_node *node,
enum maple_type mt;
void __rcu **slots;

- if (mas->max >= max)
+ min = mas->max + 1;
+ if (min > max)
goto no_entry;

level = 0;
@@ -4624,10 +4625,6 @@ static inline int mas_next_node(struct ma_state *mas, struct maple_node *node,
if (ma_is_root(node))
goto no_entry;

- min = mas->max + 1;
- if (min > max)
- goto no_entry;
-
if (unlikely(mas_ascend(mas)))
return 1;

--
2.20.1