From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from BL2PR02CU003.outbound.protection.outlook.com (mail-eastusazon11011068.outbound.protection.outlook.com [52.101.52.68]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F33A3ACA43; Thu, 14 May 2026 10:50:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.52.68 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778755807; cv=fail; b=CJBckZZuG9X4UNoxvcXB9+Km5l2EonZ1WNMQZkFTDrdaA5iQPJ4Zf2+zmE6Pp5WRphLp18NklYaH2ag+csDP64hThJfRLu6AYRGxTM9ZkJhMwQNMnEu5pP8Oa5cQIqFZotPDsAUHWxB4RrgJdsFCjAPMPlXh5YzKc0yRMCzhK1o= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778755807; c=relaxed/simple; bh=DAZnOU1m4MAaGt8AgXWyCciI9y4QS4Qf4BOAplYNUvM=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=UIyxfoTA98Zw1fH5ziUExS1QgrSs0KvuiTHVILaSA46iiONkkuxsjMeueVihjI49yA/51CM+CRKEyvfmNTsQgfEIyvenjfNpYeXOSesnAztiS7DqHk8pP9wBQyDCJmX+7BnmPNCVz3CjI1fRZAk2rhkoaO6SnuuL8jnuEfiss9k= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=AHQuuHa3; arc=fail smtp.client-ip=52.101.52.68 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="AHQuuHa3" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NbeJ4bD5FN/DugTRWqhbvVzb0Qo+K3q4lfrcOeSRehUQxutGlUI2p+EfXt3YE3c+pmMxVKWtfXiYpBtKX2J1YnGO3wh2935dkq2wnm/MRgTuNw/FQX7QgWjjrgd1Ho58FTG6BskxGq6fNHgQ+ArlJzijFnVy7DuqaPeB22bBSVhysbgYKDpJda3EM6zHhcgL51lHVcpJh5IhK0Zfq3SpO30sGksRg8iMH5Yiniw1jaKcO2DLjKzjtP+uolB+TLdX/EAUJmehZ5ISWPwm7B9BZNbD2BpFN0aguBC8+Rv/9ujioBzQijWCSwEL8SIMomkruR1eLJwrBSNFHkyiWsxOsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ga8opip5zKYgjwHbxgyDa0PwDvPvM+2252S4uo8WOXc=; b=OF6mAbnAnK/E16cvEDKuzPse8pb/G0UakCWrvGDNtM4TBdj72x7e/iF7qpCTmG30fhczssiBOA89oCW2DPr0eoUForauqIRIJJIdoIuP+ud4x+aTcBbZGix838+G3OUQlm1Sn4JDYsHrRChxFBPlr3+zoZF3xrpuiL7YgIya3ePA8lrCkZPfVOdrSonPpiyffXGXIFcYF0ZYpyGBO25VJpVadmmNUXJPxVNcZ3geNoyJe2QEgSOyUT403PJULjXTnDgzj3aadSU3dLmeSKtWF1Y8Ux8XwuHq/95be62DBF6+a0qDhfReKnXbQT1/rD0XxpgU19DwgALbUWVqB1zDKA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=google.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ga8opip5zKYgjwHbxgyDa0PwDvPvM+2252S4uo8WOXc=; b=AHQuuHa3fqpdr8jKCjmEOY5NjoBlgMYthC49Vc/Ilrai2hB/uuanHhYp0qxqX2qMCapzH14c9su3bYflXw3CJu0Wx96PLXQyww2X+7EEwdIC59lGLA+COrFf6Cx2VxZSAVzRcT7yesytSJCrpcRV2v6p6J22Eu2UXbszBaqzge4MNfOdjLnGYAco7PFJmeuxYlZz+ElLnx+5DbofB6cd4BE5P88m09rR+IUfW0i2uLo/AQZ6T7GNKbuNT59RsOv7sxfowWKkXxamHAzG9XZbN7GnhUfQ7wHH1vGHl8hnZuQtvE7HsfGHZNCUK01AEdcM4zVCdqJmQGBjLQQB3Jg3aA== Received: from SJ0PR03CA0014.namprd03.prod.outlook.com (2603:10b6:a03:33a::19) by SJ0PR12MB7033.namprd12.prod.outlook.com (2603:10b6:a03:448::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9891.26; Thu, 14 May 2026 10:50:00 +0000 Received: from SJ5PEPF00000209.namprd05.prod.outlook.com (2603:10b6:a03:33a:cafe::1e) by SJ0PR03CA0014.outlook.office365.com (2603:10b6:a03:33a::19) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9891.23 via Frontend Transport; Thu, 14 May 2026 10:50:00 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by SJ5PEPF00000209.mail.protection.outlook.com (10.167.244.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.25.13 via Frontend Transport; Thu, 14 May 2026 10:50:00 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Thu, 14 May 2026 03:49:45 -0700 Received: from rnnvmail204.nvidia.com (10.129.68.6) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Thu, 14 May 2026 03:49:45 -0700 Received: from vdi.nvidia.com (10.127.8.10) by mail.nvidia.com (10.129.68.6) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Thu, 14 May 2026 03:49:41 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , , , , Gal Pressman , Nimrod Oren , Dragos Tatulea Subject: [PATCH net-next 0/2] net/mlx5: frag buffer improvements Date: Thu, 14 May 2026 13:49:23 +0300 Message-ID: <20260514104925.337570-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF00000209:EE_|SJ0PR12MB7033:EE_ X-MS-Office365-Filtering-Correlation-Id: 8c3c4959-af4e-4895-8975-08deb1a68bd3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|36860700016|18002099003|56012099003|11063799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(82310400026)(36860700016)(18002099003)(56012099003)(11063799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Dy7EJ5/3Ve5+v+ApjpWOluqVAM+G7JaImxlwJDKkLA9K3kZ7nUC1vNS9DbB4EGmd5KaqABzr+KiHp3Legh8VG2fp3yuueQsLkh38WsTaPuk6Nj/9rspZ7aQQHEE8g0JPbhBbNBXEJD4IbLBfQRdGi4dlkbk6b36qOUg1+DN/b4Qg/eOXmdHsWBXQ7ussr9wr7JFiOF64+Ox2GIImJ14ZvNLCMkd6dRgl1Nt7qzH1GBGd44c2RWEOs6ZC37VWYTL2iEUkxkm+h//A2/q5ioZHKn6Is60LMY79jMIFxsIQYSD6A2emmVkVSLnK82/2uoHGcHJr5iPhj6DSMZ8yAiUQppGhs6lX9NVBN759rF/Y5cdsof02zOe6swGneBhAmwO8DdJUjc7J1RvSr2xEA9UeKsSacyJrqqsICG0vF59cTzPWh3uRaI9g0Wgyjuc7dIon X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 May 2026 10:50:00.0599 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8c3c4959-af4e-4895-8975-08deb1a68bd3 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000209.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB7033 Hi, This series adds observability for mlx5 fragment buffer DMA pools and improves the default NUMA placement policy for fragment buffer allocations. Patch 1 adds a debugfs interface exposing per-node DMA pool usage statistics for mlx5_frag_buf allocations, helping with debugging and visibility into pool utilization. Patch 2 improves locality of default fragment buffer allocations by using numa_mem_id() when no explicit NUMA node is requested, allowing allocations to prefer the current CPU's local memory node. Together, these changes improve both introspection and memory locality behavior of mlx5 fragment buffer allocations. Regards, Tariq Nimrod Oren (2): net/mlx5: use numa_mem_id() for default frag buf allocations net/mlx5: add debugfs stats for frag buf dma pools .../net/ethernet/mellanox/mlx5/core/alloc.c | 88 ++++++++++++++++++- include/linux/mlx5/driver.h | 1 + 2 files changed, 88 insertions(+), 1 deletion(-) base-commit: 18dc8e6d15d7a30888beec46a1e01ca0f98508fa -- 2.44.0