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 147561FB8 for ; Mon, 11 Dec 2023 00:53:58 +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="vP9xq2JV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2D41C433C9; Mon, 11 Dec 2023 00:53:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1702256037; bh=8U+8gb1tmUhocXkAAxQX/jR2ODxv373IUyV4tirx+cQ=; h=Date:To:From:Subject:From; b=vP9xq2JVWMaeAGn736NgEtDYM8GaBpClsnYX6OF+WoLjJhtmnRHMJJXYnN8QNUqqu amtEkpXhQqlx9utmDtyuq8bY8E3wlS2qRoQkgBWc6UVWw1Saoh9oDFyhmMaPa21d7l 0M71DUZCzXchyqUUb/Tufw5yqLP33ZXjf3wKwuvM= Date: Sun, 10 Dec 2023 16:53:57 -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-preserve-the-tree-attributes-when-destroying-maple-tree.patch removed from -mm tree Message-Id: <20231211005357.D2D41C433C9@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: preserve the tree attributes when destroying maple tree has been removed from the -mm tree. Its filename was maple_tree-preserve-the-tree-attributes-when-destroying-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: preserve the tree attributes when destroying maple tree Date: Fri, 27 Oct 2023 11:38:44 +0800 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. Link: https://lkml.kernel.org/r/20231027033845.90608-10-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 --- lib/maple_tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/maple_tree.c~maple_tree-preserve-the-tree-attributes-when-destroying-maple-tree +++ a/lib/maple_tree.c @@ -6763,7 +6763,7 @@ 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); _ 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