From nobody Mon Feb 9 01:18:13 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEBC9E95A91 for ; Mon, 9 Oct 2023 02:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345066AbjJIC6Y (ORCPT ); Sun, 8 Oct 2023 22:58:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345053AbjJIC6U (ORCPT ); Sun, 8 Oct 2023 22:58:20 -0400 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (mail-tyzapc01on2123.outbound.protection.outlook.com [40.107.117.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FD62AC; Sun, 8 Oct 2023 19:58:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SrMhyXzJgSQKTfbEHQN0GGqkAE24OLUPGzhVtE00ciguUOLO5b7g48KV50ERw55Vr8e6C6EUsM2Z8XK6Ncs11yxAVHYCRG9h61WwtKvmEbWYYxU09ykMqpHQ3I4cb0trIncHXKxYSn1C/VrGIIEshXkQ5nUhdtuWw/fitxjIR67hent9/Q+qGKwdIWyaWwzKsWLBlrry4j1uNGeOqI0oG9gynd8E1z28GY5dI42078X2ogUI1HTJ+w0fUFdP64jmCRkrj1xFURCCJ8RZQuw6LTLA6WlJ2o5bSeT4BkBs8pV301LycNOEEA3PG48zIluaLH/6PSbH6Vf0FIW6rXbPlg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=+HZcHFkOqT7M+sC0RLKzaw1ViPr/hgsujAmsPaB8Jnk=; b=VuTSwXSKwACY0NdAxJP1iE1fwVMvMjRXquXHCt49LFVbD5O1MQh77ANhROWOofJArfvGy81iAlrLKCLNt5O6MwJjU0jdONwmpSJ1Ha7ZFLIyVAA720h6578hMohFD84qtw3LIxfzTzv1klpwRUoh+c94c8RcKShaK4QZJZC68AW6TkNDTri7/jaPue0JYdfI5P+cjh1FLuxBQ3DOeKiBz+3/KpTNdRUqfKaAHN9csMF8VCQqM3z94QoggojZrW72L+neDqP8jLo2ihjSZiQmK9ceIuqa2G0FiyKpF/b+pc0gKfNC7zBODBCEl/29a0W43OZnlITe4yYE6//izpm3rA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+HZcHFkOqT7M+sC0RLKzaw1ViPr/hgsujAmsPaB8Jnk=; b=cXFO9bf+HM7seEASd+FbR0+cmv5kCcRwlHXS5PcaHH+MK+gzgz3WQOc4jQornUTGYvBccoy2cGrQqIXJEp9g7KdgVLQ+sfiluilTzD6f2uoJUm+87iZ5Fn5+GXyN3hYVaLruB7L4rZ+5qA1Z9o6CT+mBYQ7rqanoVCFjZOxpKX/Bfd2njLwJQHBx00Ik+MaxV2rJzjquRX2n1MRmtmF4z+CCuGYGo75hhLQJWVcv4WmE5yo32R2R777KS5595YaomVowtpsuKLRBDNe9L1f6HouFTOWHDFFFs4OEBjYAVw5ZO827vX8iWx6CydV4lrGNDIl5xtcF70GX0H/IlIV69A== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from PUZPR06MB5676.apcprd06.prod.outlook.com (2603:1096:301:f8::10) by TY0PR06MB5428.apcprd06.prod.outlook.com (2603:1096:400:219::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.36; Mon, 9 Oct 2023 02:58:15 +0000 Received: from PUZPR06MB5676.apcprd06.prod.outlook.com ([fe80::40ac:5701:4617:f503]) by PUZPR06MB5676.apcprd06.prod.outlook.com ([fe80::40ac:5701:4617:f503%4]) with mapi id 15.20.6838.033; Mon, 9 Oct 2023 02:58:15 +0000 From: Huan Yang To: Jonathan Corbet , Andrew Morton , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Yu Zhao , Peter Xu , David Hildenbrand , "T.J. Alumbaugh" , Axel Rasmussen , Ryan Roberts , Kefeng Wang , Suren Baghdasaryan , linux-doc@vger.kernel.org (open list:DOCUMENTATION), linux-kernel@vger.kernel.org (open list), linux-mm@kvack.org (open list:MEMORY MANAGEMENT), cgroups@vger.kernel.org (open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)) Cc: opensource.kernel@vivo.com, Huan Yang Subject: [PATCH 3/3] mm: multi-gen LRU: add per memcg "lru_gen" document Date: Mon, 9 Oct 2023 10:57:22 +0800 Message-Id: <20231009025726.5982-4-link@vivo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231009025726.5982-1-link@vivo.com> References: <20231009025726.5982-1-link@vivo.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI1PR02CA0011.apcprd02.prod.outlook.com (2603:1096:4:1f7::19) To PUZPR06MB5676.apcprd06.prod.outlook.com (2603:1096:301:f8::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PUZPR06MB5676:EE_|TY0PR06MB5428:EE_ X-MS-Office365-Filtering-Correlation-Id: 0a7df4b4-6a1c-477c-61f0-08dbc8739524 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PUZPR06MB5676.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(346002)(39860400002)(136003)(396003)(376002)(230922051799003)(64100799003)(451199024)(186009)(1800799009)(52116002)(1076003)(2616005)(26005)(478600001)(6506007)(6666004)(6512007)(107886003)(83380400001)(8676002)(7416002)(2906002)(8936002)(4326008)(66556008)(110136005)(66476007)(66946007)(6486002)(5660300002)(41300700001)(316002)(38350700002)(921005)(38100700002)(36756003)(86362001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?EFWR8ssilKDiPIhwUoaaZuV7gwfB+048IPFq+wvEa9D0w+zHuF16m7HzSk4R?= =?us-ascii?Q?5cMk/AGw2Rz4zLYOeZNI6PSHF5X7faNrrk9iCOkUmHMUN1gXRfbHL2I/zlOd?= =?us-ascii?Q?5gAzUzDWETVNiG5oEqKaH8bZTfZW0eyZCtRyGmr72wWwsO30RuQ91zVRCgt6?= =?us-ascii?Q?YAJCdNW2Bq7U55eiBrBHm0e/3vLcw7JaSuu0U2aAR6teGAZKjnqy2mWP1OKn?= =?us-ascii?Q?IkyHizZo1OycYVCh7WcrX+qEYJvrXGTYneriikzD69Uht+Up+O1wdR+ZE06i?= =?us-ascii?Q?26W+qt4CbsMfvAjnVV/51wwnsf58Jy9nrmbQNQSm9rWqbyIaz3UMxlg79lC9?= =?us-ascii?Q?tHHGQ8wYZRGPikNnARehpOJsviP9bg9C4i1j1PBi0EwJ7jKEBBkciTvbBpXY?= =?us-ascii?Q?XxtTlJ0B4iyCs+EqVT7o0WqbpeCOMELG8ArTOMevxnBbIRf5qgIbO5oAQy2a?= =?us-ascii?Q?dkoUGz/fBpXXbz4wZkn9lZvVWHYCHgj2aS2myUk/D5OECTLGRu/PtnddLp1l?= =?us-ascii?Q?O1cjUiDqyI0OmpW9i7UGo7QzCdC/EwAF5xezQG5Tw2YEmCBmVXiJ+93sDqWe?= =?us-ascii?Q?Tpw1DDtTVBoZtdm3O2ToXtOSxRmIhgLCvCZCKcW2+b5X2su04Ic0A9wfSoLv?= =?us-ascii?Q?mJw83sbbgCjzedOGLGhl3s/XyXdb3dsCzsj1cYNUNl+vWFyIhWkrZv/dZXC9?= =?us-ascii?Q?PFYB3q2JiocUIb3eOF2vy5X+pjiKYxWHddXDEbNlrmVI32TjGyuflMc9uno4?= =?us-ascii?Q?I6MnM+BPfaFRAlcAGyFyJe10cf+4KjIeW+yVmvarNkwQgmaSfhe7J4RTdPDy?= =?us-ascii?Q?+mJKw7wIA++j5YJ9gWWTvyjRtO7XUarnmMjjh1HC7fLI7gRvlIl1Jbv0elpn?= =?us-ascii?Q?W/7TG1tufc8EgO6R7IiaEYO1Uv1qCtLhyJ3fvLm2dC6O0ZkZL1WE1FF22HZd?= =?us-ascii?Q?XUqBOiIyzLD2KRhUaNs74idSGTLX6p/l3V7ab1zwqXRds+vZta3EV3pXfA7b?= =?us-ascii?Q?x2L2p2at5I0yyGKgFxph2J8J39o/WEelcRZ66p4H+cZDIkvxpfmfkFfYwsQK?= =?us-ascii?Q?+LDHkNORjUo43izSLF3qZL1NQnSt6CmuxowWQFUSazTAOCjiUX6EKmB2YDxr?= =?us-ascii?Q?s3slL9mS5qAXA2Wr3lA60hLDRXquAxAG5WZv3mDUfelz5it12Qy92sPeaRsh?= =?us-ascii?Q?VipkNXspwv2sBANBws6zmtqLoIWIgJLvrvduA+O14PEEc2EQsd7FThsfXr/J?= =?us-ascii?Q?4BBMXnCvvwfzzrmeBYZAgZj/z+sM1e14dBhhvaaFRHyDUTBUJ72F5v5iXwvQ?= =?us-ascii?Q?NWFOUwy7z2gIiDhTLi1e9suIRxcWSZa40I2yLDULW4LQ5yny0tL5y0rf5Ul9?= =?us-ascii?Q?GSwXIdesVIrP9G8bxToefGBRrBOVv7NPGZ4uXdXhr1AvsiCPHAZXOi9mnjNC?= =?us-ascii?Q?vpKRuLjfrZjLX10MC9hIu9QU6q2704iPPFInvuLN14eARtfECNT/Pxg6jDQL?= =?us-ascii?Q?Kp9U8BoWtVV6pIVjLtuBwAVO0JREYJL8eTUTxPsHzEw5KCunRpAY3BeW3DPM?= =?us-ascii?Q?vzIQThs/SfgwTmyOppGS1AZ/L0TCWxQSc/K2n6gy?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0a7df4b4-6a1c-477c-61f0-08dbc8739524 X-MS-Exchange-CrossTenant-AuthSource: PUZPR06MB5676.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Oct 2023 02:58:15.4293 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: a5UhB9ghhcnWggGZyodKQuqW6SwKHQJCxTrk0I0ZPRdvTu2yFyzwDpR93Ba/uaG0nhPv3zKxg3GlZe6k+BAdeg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TY0PR06MB5428 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: HuanYang change multi-gen LRU document. Signed-off-by: Huan Yang --- Documentation/admin-guide/mm/multigen_lru.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/admin-guide/mm/multigen_lru.rst b/Documentation/= admin-guide/mm/multigen_lru.rst index 33e068830497..078056b8cc7c 100644 --- a/Documentation/admin-guide/mm/multigen_lru.rst +++ b/Documentation/admin-guide/mm/multigen_lru.rst @@ -160,3 +160,13 @@ cold pages because of the overestimation, it retries o= n the next server according to the ranking result obtained from the working set estimation step. This less forceful approach limits the impacts on the existing jobs. + +Per memcg lru gen node +----------------- +In each memcg's dir, it contains ``lru_gen`` node. you can type upon cmd +without input memcg_id to do the same thing. + + ``+ node_id max_gen_nr [can_swap [force_scan]]`` + ``- node_id min_gen_nr [swappiness [nr_to_reclaim]]`` + +For show info, memcg's node always show the full info. --=20 2.34.1