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Howlett" To: Andrew Morton Cc: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yang Erkun , chuck.lever@oracle.com, brauner@kernel.org, "Liam R. Howlett" Subject: [PATCH 0/2] Fix mas_alloc_cyclic retry Date: Mon, 16 Dec 2024 14:01:11 -0500 Message-ID: <20241216190113.1226145-1-Liam.Howlett@oracle.com> X-Mailer: git-send-email 2.43.0 X-ClientProxiedBy: YT4P288CA0038.CANP288.PROD.OUTLOOK.COM (2603:10b6:b01:d3::16) To PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR10MB5777:EE_|IA0PR10MB7602:EE_ X-MS-Office365-Filtering-Correlation-Id: 56ac178b-aa97-4cd4-a574-08dd1e040a58 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000393, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This is a follow-up patch and test for Yang Erkun. lore seems to have eaten the original email [1], so I'll add akpm's link as well [2]. Patch 1 applies on top of Yang Erkun's fix, so feel free to squash it in. Patch 2 adds a test to the maple tree infrastructure that will catch the issue if it comes back. [1] https://lore.kernel.org/all/20241214093005.72284-1-yangerkun@huaweicloud.com/T/#u [2] https://lore.kernel.org/all/20241216060600.287B4C4CED0@smtp.kernel.org/ Liam R. Howlett (2): maple_tree: Fix mas_alloc_cyclic() second search test_maple_tree: Test exhausted upper limit of mtree_alloc_cyclic() lib/maple_tree.c | 3 +-- lib/test_maple_tree.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 2 deletions(-)