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Harding" CC: Andrew Morton , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Matthew Wilcox , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v5 5/7] slub: Use slab_list instead of lru Thread-Topic: [PATCH v5 5/7] slub: Use slab_list instead of lru Thread-Index: AQHU6ajGtW+41y5S4EKW3fNq6YALbqYqxtIA Date: Wed, 3 Apr 2019 18:43:07 +0000 Message-ID: <20190403184303.GE6778@tower.DHCP.thefacebook.com> References: <20190402230545.2929-1-tobin@kernel.org> <20190402230545.2929-6-tobin@kernel.org> In-Reply-To: <20190402230545.2929-6-tobin@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CO1PR15CA0078.namprd15.prod.outlook.com (2603:10b6:101:20::22) To BYAPR15MB2631.namprd15.prod.outlook.com (2603:10b6:a03:152::24) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::1:9220] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 944a08f4-bf65-4004-6c10-08d6b86436be x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600139)(711020)(4605104)(2017052603328)(7193020);SRVR:BYAPR15MB3480; x-ms-traffictypediagnostic: BYAPR15MB3480: x-microsoft-antispam-prvs: x-forefront-prvs: 0996D1900D x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(136003)(39860400002)(376002)(366004)(346002)(199004)(189003)(6486002)(33656002)(46003)(14454004)(478600001)(76176011)(6916009)(97736004)(2906002)(186003)(102836004)(25786009)(256004)(6506007)(386003)(229853002)(105586002)(106356001)(53936002)(305945005)(6246003)(7736002)(6512007)(9686003)(476003)(446003)(68736007)(11346002)(86362001)(486006)(99286004)(5660300002)(8676002)(54906003)(81166006)(316002)(4326008)(81156014)(4744005)(6436002)(52116002)(71190400001)(71200400001)(1076003)(6116002)(8936002);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB3480;H:BYAPR15MB2631.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: GrGjB722PV83xmFxXkL1w7Id3SHchCDRt9uHHDhiW9pS6aWU2j/EZMdQ4TyHnVwFlP5wtOs4vVZSZAYBQL9bUm2C4iVXs11xORyBurPrKriEcXL1Qfaaoqo4r5aM+DslVHqmpPXQuznzD2gK7yU691xGCjcXo7BIkss3onyR0/fhzfWFKXKu5BikQ34cs2b5Qzk6duTgPugFJUk4wCySDDk7UHJDqlkxbYEWU4mUXG++vwLxVfcbIqXpMHK/PD+bt0tPMulef/e3hbgqZObq1R1EwuojjC9uiamYoZIaDeoyFVllS0hWK+MHJe4Y/nkKNV3gzuemsJa+DidDbdZj8Vu4cn1oqiImjpVTO+N894XaLEyTS3kChhcoFUjabX21c+2frpYF7ByNUP9v6PgceV8E2hbES9Ltp0TqzdbQklE= Content-Type: text/plain; charset="us-ascii" Content-ID: <2FB2145B5F59E742BBA0F8C5ABF950EB@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 944a08f4-bf65-4004-6c10-08d6b86436be X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Apr 2019 18:43:07.6605 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB3480 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-03_10:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe 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: On Wed, Apr 03, 2019 at 10:05:43AM +1100, Tobin C. Harding wrote: > Currently we use the page->lru list for maintaining lists of slabs. We > have a list in the page structure (slab_list) that can be used for this > purpose. Doing so makes the code cleaner since we are not overloading > the lru list. >=20 > Use the slab_list instead of the lru list for maintaining lists of > slabs. >=20 > Acked-by: Christoph Lameter > Signed-off-by: Tobin C. Harding Reviewed-by: Roman Gushchin