[PATCH v3 8/9] maple_tree: Preserve the tree attributes when destroying maple tree
Peng Zhang
zhangpeng.00 at bytedance.com
Sun Sep 24 20:56:16 PDT 2023
When destroying maple tree, preserve its attributes and then turn it
into an empty tree. This allows it to be reused without needing to be
reinitialized.
Signed-off-by: Peng Zhang <zhangpeng.00 at bytedance.com>
---
lib/maple_tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index ed8847b4f1ff..ad06105f1a54 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -6670,7 +6670,7 @@ void __mt_destroy(struct maple_tree *mt)
if (xa_is_node(root))
mte_destroy_walk(root, mt);
- mt->ma_flags = 0;
+ mt->ma_flags = mt_attr(mt);
}
EXPORT_SYMBOL_GPL(__mt_destroy);
--
2.20.1
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