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Shutemov" , David Rientjes , Vlastimil Babka , Hugh Dickins , Kefeng Wang , Barry Song <21cnbao@gmail.com>, Alistair Popple Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20231204102027.57185-1-ryan.roberts@arm.com> <2be046e1-ef95-4244-ae23-e56071ae1218@nvidia.com> <888e20e4-6073-426c-9159-e359c758d78a@arm.com> Content-Language: en-US From: John Hubbard In-Reply-To: <888e20e4-6073-426c-9159-e359c758d78a@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SJ0PR05CA0059.namprd05.prod.outlook.com (2603:10b6:a03:33f::34) To BY5PR12MB4130.namprd12.prod.outlook.com (2603:10b6:a03:20b::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR12MB4130:EE_|DM8PR12MB5462:EE_ X-MS-Office365-Filtering-Correlation-Id: 1b734550-901f-45d6-91c5-08dbf5c425d5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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 rCJ1tRC/ vH2/jxNvN6dBMhG+Y2V84zkdVOaZPQ4hTfQiU0BagobCKOMtVId2YbYljddZ/P8ipO0lCcdFKfkFA4VIxbZVmU2YzOZSRQ95I4JSArbKHKjzh1Lul9zFxQ+oNlAgu7+NhZfPanxCptJidCV8BZiDzWlklNDcfKwUSI8F5FKZ61lh5rkPRNqHDIZ5p5dlLTy9LBQ+Ge4QtRyqSxHucYijCYM4bahuN3jMQv6+Qu446YQz4yHVAIAGOwJFqTFfhF+sEve17046+l5A+5Hapi64mGLMrUbg4MBA8mF5rg/vRc2PZaCK3NbvIf5DidyvEFJiZEO0pyuAaKpY7Gb/Mn8THiUhts/G1iU93QIap X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 12/5/23 3:13 AM, Ryan Roberts wrote: > On 05/12/2023 03:37, John Hubbard wrote: >> On 12/4/23 02:20, Ryan Roberts wrote: ... >> With those two patchsets applied, the mm selftests look OK--or at least >> as OK as they normally do. I compared test runs between THP/mTHP set to >> "always", vs "never", to verify that there were no new test failures. >> Details: specifically, I set one particular page size (2 MB) to >> "inherit", and then toggled /sys/kernel/mm/transparent_hugepage/enabled >> between "always" and "never". > > Excellent - I'm guessing this was for 64K base pages? Yes. thanks, -- John Hubbard NVIDIA