The quilt patch titled
Subject: maple_tree: update the documentation of maple tree
has been removed from the -mm tree. Its filename was
maple_tree-update-the-documentation-of-maple-tree.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Subject: maple_tree: update the documentation of maple tree
Date: Fri, 27 Oct 2023 11:38:41 +0800
Introduce the new interface mtree_dup() in the documentation.
Link: https://lkml.kernel.org/r/20231027033845.90608-7-zhangpeng.00@xxxxxxxxxxxxx
Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Mateusz Guzik <mjguzik@xxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Mike Christie <michael.christie@xxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/core-api/maple_tree.rst | 4 ++++
1 file changed, 4 insertions(+)
--- a/Documentation/core-api/maple_tree.rst~maple_tree-update-the-documentation-of-maple-tree
+++ a/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 entire maple tree. It is a more
+efficient 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()
_
Patches currently in -mm which might be from zhangpeng.00@xxxxxxxxxxxxx are
maple_tree-move-the-check-forward-to-avoid-static-check-warning.patch
maple_tree-avoid-ascending-when-mas-min-is-also-the-parents-minimum.patch
maple_tree-remove-an-unused-parameter-for-ma_meta_end.patch
maple_tree-delete-one-of-the-two-identical-checks.patch
maple_tree-simplify-mas_leaf_set_meta.patch
