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Howlett" , "Nico Pache" , "Ryan Roberts" , "Dev Jain" , "Lance Yang" , "Usama Arif" , "Vlastimil Babka" , "Mike Rapoport" , "Suren Baghdasaryan" , "Michal Hocko" , "Chris Li" , "Kemeng Shi" , "Nhat Pham" , "Baoquan He" , "Barry Song" , "Youngjun Park" To: , From: "Zi Yan" Subject: Re: [PATCH RFC 13/13] mm/huge_memory: count only swap cache refs in anon folio split X-Mailer: aerc 0.21.0 References: <20260808-swap-thp-cleanup-v1-0-689939a7ccc3@tencent.com> <20260808-swap-thp-cleanup-v1-13-689939a7ccc3@tencent.com> In-Reply-To: <20260808-swap-thp-cleanup-v1-13-689939a7ccc3@tencent.com> X-ClientProxiedBy: BL1PR13CA0412.namprd13.prod.outlook.com (2603:10b6:208:2c2::27) To IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR12MB8374:EE_|DS0PR12MB999263:EE_ X-MS-Office365-Filtering-Correlation-Id: cef0b0b2-0e48-4fd3-56f3-08def5c0c8cf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|23010399003|366016|6133799003|4143699003|11063799006|56012099006|10067099003|18002099003|22082099003; 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The file split helper only handles page cache folios, which hold > exactly folio_nr_pages() references. > > Rename folio_cache_ref_count() to folio_swapcache_ref_count() and drop > the anon check so the helper counts what its name says. The file split > helper now uses folio_nr_pages() directly. > > Signed-off-by: Kairui Song > --- > mm/huge_memory.c | 35 +++++++++++++++-------------------- > 1 file changed, 15 insertions(+), 20 deletions(-) > LGTM. Thanks. Reviewed-by: Zi Yan --=20 Best Regards, Yan, Zi