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Subject[PATCH v6 09/10] maple_tree: Preserve the tree attributes when destroying maple tree
Date
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@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 6704b5c507b2..b9e238e7a7af 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -6765,7 +6765,7 @@ 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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