Messages in this thread Patch in this message | | | From | Vernon Yang <> | Subject | [PATCH 4/8] maple_tree: use macro MA_ROOT_PARENT instead of number | Date | Tue, 20 Dec 2022 22:26:02 +0800 |
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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@gmail.com> --- 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
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