When you need to compare whether node->parent is parent of the
root node, using macro MA_ROOT_PARENT is easier to understand
and for better readability.
Signed-off-by: Vernon Yang <vernon2gm@xxxxxxxxx>
---
lib/maple_tree.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 3d45c515ed42..b3a215dd961e 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -503,8 +503,7 @@ static inline unsigned int mte_parent_slot(const struct maple_enode *enode)
{
unsigned long val = (unsigned long)mte_to_node(enode)->parent;
- /* Root. */
- if (val & 1)
+ if (val & MA_ROOT_PARENT)
return 0;
/*
--
2.34.1
