From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 96AC420FE for ; Mon, 11 Dec 2023 00:53:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="wHW4XXGy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 616A5C433C7; Mon, 11 Dec 2023 00:53:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1702256034; bh=hADlPa4wy5LoO5i7vpBJAWFggAStfGuD6UgkVoXijWk=; h=Date:To:From:Subject:From; b=wHW4XXGyoWWiWNQCmTOXq7mAXkjFWabqcM8Ktq7oH50Y1BdyOkYP9f60iOjIIWLGR MsorlKZuWUEc/hKBpUmvs5Hu30dR2/fCVyziZx5QClMirr8AB0JW0jd4nhmqkX6xQJ 5Du9qfaETshRFJ2ISll6GbKbnLORpI+RXMp1IUSY= Date: Sun, 10 Dec 2023 16:53:53 -0800 To: mm-commits@vger.kernel.org,willy@infradead.org,surenb@google.com,peterz@infradead.org,npiggin@gmail.com,mst@redhat.com,mjguzik@gmail.com,michael.christie@oracle.com,mathieu.desnoyers@efficios.com,Liam.Howlett@oracle.com,corbet@lwn.net,brauner@kernel.org,zhangpeng.00@bytedance.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] maple_tree-update-the-documentation-of-maple-tree.patch removed from -mm tree Message-Id: <20231211005354.616A5C433C7@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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@bytedance.com Signed-off-by: Peng Zhang Reviewed-by: Liam R. Howlett Cc: Christian Brauner Cc: Jonathan Corbet Cc: Mateusz Guzik Cc: Mathieu Desnoyers Cc: Matthew Wilcox Cc: Michael S. Tsirkin Cc: Mike Christie Cc: Nicholas Piggin Cc: Peter Zijlstra Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- 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@bytedance.com 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