在 2023/10/4 02:46, Liam R. Howlett 写道:
* Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx> [230924 23:58]:
Introduce the new interface mtree_dup() in the documentation.
Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
---
Documentation/core-api/maple_tree.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/core-api/maple_tree.rst b/Documentation/core-api/maple_tree.rst
index 45defcf15da7..3d8a1edf6d04 100644
--- a/Documentation/core-api/maple_tree.rst
+++ b/Documentation/core-api/maple_tree.rst
@@ -81,6 +81,9 @@ section.
Sometimes it is necessary to ensure the next call to store to a maple tree does
not allocate memory, please see :ref:`maple-tree-advanced-api` for this use case.
+You can use mtree_dup() to duplicate an identical tree. It is a more efficient
"You can use mtree_dup() to create an identical tree." duplicate an
identical tree seems redundant.
Okay, I will modify this sentence. Thank you.
+way than inserting all elements one by one into a new tree.
+
Finally, you can remove all entries from a maple tree by calling
mtree_destroy(). If the maple tree entries are pointers, you may wish to free
the entries first.
@@ -112,6 +115,7 @@ Takes ma_lock internally:
* mtree_insert()
* mtree_insert_range()
* mtree_erase()
+ * mtree_dup()
* mtree_destroy()
* mt_set_in_rcu()
* mt_clear_in_rcu()
--
2.20.1
