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Miller" , Saeed Mahameed , Jakub Kicinski , Ingo Molnar , Peter Zijlstra , Juri Lelli CC: Eric Dumazet , Paolo Abeni , , Gal Pressman , Vincent Guittot , , Tariq Toukan Subject: [PATCH net-next V2 0/2] mlx5: Use NUMA distance metrics Date: Mon, 18 Jul 2022 15:43:13 +0300 Message-ID: <20220718124315.16648-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8ed7ef2a-fb97-410e-0d10-08da68bb1e3e X-MS-TrafficTypeDiagnostic: BL0PR12MB5508:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(376002)(396003)(346002)(136003)(39860400002)(46966006)(40470700004)(36840700001)(426003)(83380400001)(107886003)(1076003)(336012)(2616005)(186003)(478600001)(7696005)(41300700001)(47076005)(36860700001)(356005)(6666004)(82740400003)(26005)(8936002)(82310400005)(4744005)(7416002)(2906002)(5660300002)(36756003)(40480700001)(81166007)(8676002)(40460700003)(316002)(86362001)(110136005)(54906003)(70586007)(4326008)(70206006)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jul 2022 12:43:30.0027 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8ed7ef2a-fb97-410e-0d10-08da68bb1e3e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT065.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB5508 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Expose the scheduler's sched_numa_find_closest() function, and use it in mlx5 device driver. This replaces the binary NUMA preference (local / remote) with an improved one that minds the actual distances, so that remote NUMAs with short distance are preferred over farther ones. This has significant performance implications when using NUMA-aware memory allocations, improving the throughput and CPU utilization. Regards, Tariq Tariq Toukan (2): sched/topology: Expose sched_numa_find_closest net/mlx5e: Improve remote NUMA preferences used for the IRQ affinity hints drivers/net/ethernet/mellanox/mlx5/core/eq.c | 62 +++++++++++++++++++- include/linux/sched/topology.h | 2 + kernel/sched/topology.c | 1 + 3 files changed, 62 insertions(+), 3 deletions(-) -- 2.21.0