From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 775F3D59F73 for ; Wed, 6 Nov 2024 20:39:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EDB1C6B00A0; Wed, 6 Nov 2024 15:39:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E8B346B00A2; Wed, 6 Nov 2024 15:39:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CDD186B00A3; Wed, 6 Nov 2024 15:39:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id ADCF36B00A0 for ; Wed, 6 Nov 2024 15:39:48 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 33921AAABC for ; Wed, 6 Nov 2024 20:39:48 +0000 (UTC) X-FDA: 82756835322.21.B83CF47 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by imf26.hostedemail.com (Postfix) with ESMTP id 3929D140007 for ; Wed, 6 Nov 2024 20:39:17 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=gU2WZCSt; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf26.hostedemail.com: domain of kanchana.p.sridhar@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=kanchana.p.sridhar@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1730925447; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=tbajC0twp8rubxfbg7CwWcoUg+Na2W1hJgx9wfRcm9c=; b=CwJYYUhPayBO24YTqTecBv2f0T0Ob2sIXljU7sHqwiipgF0F+T+P4yqw8cS+gDCbeMA03i xFskwC05oKSyd3JJs4OwfCi6BasQH3Hyv0iDIZjR1RmYjvq9SI0HMhsEPMyUnFdJiSG2Uj Oa1BUI11XHPmz4imkJO+yvsiM6KgGos= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1730925447; a=rsa-sha256; cv=pass; b=sRWjvUYM17aYIhsIE2qAsR5LMeI3jSh1r7u3NUu5jkM3UCjEzqWSqzN1raokHIo1zRrVWi UV9SjkkRASbNpEF9yQWUrV1oypZs/eN59N72L5pAjSpfp1P28n/giVdRAYnTNGL2gx4W5h ueIUdaCo9P0HYk1bHN0UqluBklCiEVg= ARC-Authentication-Results: i=2; imf26.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=gU2WZCSt; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf26.hostedemail.com: domain of kanchana.p.sridhar@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=kanchana.p.sridhar@intel.com; dmarc=pass (policy=none) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730925583; x=1762461583; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=cq+jUYOAFW1iz+6R/Io+cabYGeknahyV7Z3WGz5z7ow=; b=gU2WZCStYxI62Rqr+qOiSVasuPff4jZnPoBHS1B4+UXQ+/JdQ0az3USQ SXFneuIjYNfbUVLP/TusCjT8oQqeRI+fo9sS4+GPFsZ6wubBMRzcdgRle Kagm+32d0j0ovFn0HptzWCl13NvzH2BAg2WA5HJSI6vq3TVmf+0e4YGL9 zVPQiPTYC25CgV0PCI4AhXUqAHgayq84sOnONWXCNw5xnhBMIQvpv/ixu nzVR1F72+kAk1hwnmdQYZKhgstz/J0PSw3CNwtsDjC6HmJ6XUiel26XRt bqRPqGNj7UChWxGDPyhPH2+n855E+FuPvLjE/vh7yVEqSf2FOcJldGnLN Q==; X-CSE-ConnectionGUID: 81Aeg5TNT7e6hvhci5zPBA== X-CSE-MsgGUID: JDmkcDvfRZCC0IZGAqhz8A== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30706843" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30706843" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2024 12:39:42 -0800 X-CSE-ConnectionGUID: mb8KkYszS6un67GHDexBFQ== X-CSE-MsgGUID: R+wyV7/cR6KQ3ks488JV+Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,263,1725346800"; d="scan'208";a="84357095" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by fmviesa007.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 06 Nov 2024 12:39:42 -0800 Received: from fmsmsx603.amr.corp.intel.com (10.18.126.83) by fmsmsx601.amr.corp.intel.com (10.18.126.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 6 Nov 2024 12:39:41 -0800 Received: from fmsedg602.ED.cps.intel.com (10.1.192.136) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Wed, 6 Nov 2024 12:39:41 -0800 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (104.47.57.173) by edgegateway.intel.com (192.55.55.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 6 Nov 2024 12:39:41 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=u3tvMJl62s/Lvg/w+0fHg/U0MdXgJ3I5QDdUL/aiW/838BV0JSWRtT3Wc/aPZ/p845iDX35Jqx5PaRB1BfLDaZcgMTYW4bl2bTluVmElAk/AkoNktakwK00hwfVTMidRBtDu/oRkd8RwKiuDVSDtbZmqJkWuugtFkIAMm8snRIorJrLFkVT3mZt0ylVHJgPJrfdqAHz8tS9Ii0SLlaVb/LEmnARXsOjRngwZ00l7GOXqkA2Ag+S0lAuP30M4F4Lp6pRkadbEtLEY2MRBjx/jGj1JarMc7yN6CLlfwnO7cEfVM018+hxfpO2MFLHwxW/Z6BI1FcMTbK0C+LPIh2Oy3g== 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=tbajC0twp8rubxfbg7CwWcoUg+Na2W1hJgx9wfRcm9c=; b=Rk2Q8Hpr/WA2QkKO9Td8gS6bFxN7NNn8CfKt4yWosaGZvzQSDLIBMMENVZ/5qeCQ6Mlv4YZlS4V7nProjMpy+KBtOjLlSoRJfuhOt6NfFD03AqNCSYEcNiFJYwl2eWMh+A7DDi0AkwHiurXyc8WTcAXiMO7Kmxw5p97RO/Ord1u6mgnDQG1ppsn77Qf1cqN3pGhkydjF6oVhpghYIobekFz2+CxYCs5UpbG9uZoGV3reSjcbgXk3J0hJ/UnRdV4o+jE7offN3tB9gTUZmLmYVBLx6wTMKs0POggc44UQC/WPZytfuq8ekJYUz6yzaJFe0LuF/0fFcuoqhV5sVg8EFA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from SJ0PR11MB5678.namprd11.prod.outlook.com (2603:10b6:a03:3b8::22) by SJ0PR11MB4941.namprd11.prod.outlook.com (2603:10b6:a03:2d2::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.20; Wed, 6 Nov 2024 20:39:38 +0000 Received: from SJ0PR11MB5678.namprd11.prod.outlook.com ([fe80::812:6f53:13d:609c]) by SJ0PR11MB5678.namprd11.prod.outlook.com ([fe80::812:6f53:13d:609c%4]) with mapi id 15.20.8114.028; Wed, 6 Nov 2024 20:39:38 +0000 From: "Sridhar, Kanchana P" To: Andrew Morton CC: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "hannes@cmpxchg.org" , "yosryahmed@google.com" , "nphamcs@gmail.com" , "chengming.zhou@linux.dev" , "usamaarif642@gmail.com" , "ryan.roberts@arm.com" , "Huang, Ying" , "21cnbao@gmail.com" <21cnbao@gmail.com>, "linux-crypto@vger.kernel.org" , "herbert@gondor.apana.org.au" , "davem@davemloft.net" , "clabbe@baylibre.com" , "ardb@kernel.org" , "ebiggers@google.com" , "surenb@google.com" , "Accardi, Kristen C" , "zanussi@kernel.org" , "Feghali, Wajdi K" , "Gopal, Vinodh" , "Sridhar, Kanchana P" Subject: RE: [PATCH v3 12/13] mm: Add sysctl vm.compress-batching switch for compress batching during swapout. Thread-Topic: [PATCH v3 12/13] mm: Add sysctl vm.compress-batching switch for compress batching during swapout. Thread-Index: AQHbMIESISE0FUMsYkiPsANVvfbhO7KqsOoAgAAFxUA= Date: Wed, 6 Nov 2024 20:39:38 +0000 Message-ID: References: <20241106192105.6731-1-kanchana.p.sridhar@intel.com> <20241106192105.6731-13-kanchana.p.sridhar@intel.com> <20241106121754.644440c6d8d1edf60f6163d7@linux-foundation.org> In-Reply-To: <20241106121754.644440c6d8d1edf60f6163d7@linux-foundation.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SJ0PR11MB5678:EE_|SJ0PR11MB4941:EE_ x-ms-office365-filtering-correlation-id: a4af5166-c090-4d87-b3a7-08dcfea3220b x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014|38070700018; x-microsoft-antispam-message-info: =?us-ascii?Q?UBoHM5UwmrONo8jni8DsJ0j1IAlj2tsldwrUC0mbd9TEdYGECrUlXdh/AygR?= =?us-ascii?Q?XLy8TCwXgxyaZiI+MJuVVlaYRuvPt+5XxRVKVzmhPIfaP9RFfdLVP26ID1AY?= =?us-ascii?Q?/l+X69iG84WiPfIUVCk7p9tpGMPW4sRNBvoPW6KyJ9PSIq41yVcmrDX7YG0n?= =?us-ascii?Q?2B2uDy97kRtYCOc7DffuQ+0BGLMtJsM+gHaY33xcsDr6LxswPxiMaPkRihRQ?= =?us-ascii?Q?4N72PWEjIRiQtNxi4BKuNEumbGkHaDJkRYGiQG8wDS4TZwSxi+7EQXWeuS0W?= =?us-ascii?Q?oyixMpeZLKOSZAzgMuvpBmkXA/OKutBB8YLjAjuwAKPdrtCUuIjfe2J7TorF?= =?us-ascii?Q?+bB/bjqI0vJN7YBYokOsqK6WDyaRcRmSjtmsZyJQp9ko03bc3D1/8+l3wOxK?= =?us-ascii?Q?/wX3Hulw/+M5U2lXYFYg8LzVHtcQr6NMfdT5ncB6gV/oVi2aiQiO3VXIizul?= =?us-ascii?Q?Q84JSjcIwIr2u0c+/KVmoCkciRIyu0G3XWt8h/u7fiKWkBN8PSmTsgzzMIb9?= =?us-ascii?Q?rfDfWqwMXRlsdm9oRqoTQv0dWZTRMnsEEbhd0jy4L3Ahojhy7HGg3vC9Ivte?= =?us-ascii?Q?SnkZEzPk/O4gWmC8r0LFOmPBT8MzxTQx7fp1QRFxrx395iV+MvqIPwzRG5Dg?= =?us-ascii?Q?zp0ZK4YwuMG7ALuyoXAqSgbEYiwVoafc2kidteeYXcamfSFohcOR6UK38anu?= =?us-ascii?Q?n0NrDyuyVlG/wjn+qP0Mk7XvGohB4WKiCqKIDW9cIlSPhjiYTs7aKT3s/32F?= =?us-ascii?Q?mYDouwQLPW26XQwz7aCBuN8IOns7JbCyUQmWlu5ZTyPXlClCnvEZfRtruaCD?= =?us-ascii?Q?eIK0M5mT5Ds+QJClgSgiuRWSBipzPm+M2F0nEcRJjRqERRJVx0r9+9mwgniG?= =?us-ascii?Q?+tLuEP/QhChKSPTllD9jDGql9RR2WqZTgpoq2D3zxHX6nMpHX2qUPyD4B/Fb?= =?us-ascii?Q?+7iR3j+u2uUJZf2mJq68WAzKjgJk7E/CoDeVbBnWf+FdjQwJlgldbRG9tnzs?= =?us-ascii?Q?KtuYu8eVxTHNfXq2sgzgUjCWoOLzVGYtO7OEVLHsiY41cC1Q1bgg0Mvo77Wu?= =?us-ascii?Q?7uBihxveI79NqzMOrAIVHYqjT57xmbwJPpXuxOkiLvwQmAvJQhFoSzAt2mvc?= =?us-ascii?Q?Ed1v23GVkhe4f7x132lGwsFs0gXqcWZBGwv7YZDfCLPtCYpGXQSVnbiWLleJ?= =?us-ascii?Q?f4xRa2Xldf3bPRbpLz4t3D1onuqtz4RM/80Atd8x+zsf8+8XJZmihp/hVkWD?= =?us-ascii?Q?Elb8zdSRbMrqU6z84JsaYF9DzaY2fHHwLrHJJpNbrmkq8Q+aLNiWSExmLuYe?= =?us-ascii?Q?ePtPQh8CuUCK9SLlBMWixTuqgh9X7OBarWsC7lFzehmxaIiieDqqo4XiDNYt?= =?us-ascii?Q?m7F1bkc=3D?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ0PR11MB5678.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(7416014)(376014)(38070700018);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?90k6ak3CZKR44I2mImFzNI76V3rfnTOdtHw7ZXlOIhiv+S+2atc2sbSW5nF2?= =?us-ascii?Q?mBb9hMMXq/Yk6wfBJKb5CTyE0BrZBZqmLZprdz3wzjVsgprdzQsx3/5l/5Mh?= =?us-ascii?Q?kT4cvCGPVzcOgN3nxYtuHjyKvvqUcWPModikFKzGiR3ePp/5I7tbr90gBq20?= =?us-ascii?Q?thr4QXaTClF1BC4Rx4AdCq0e62Mmrf4HQyp9qbnQGwHlzJ5PgawqDflDEaWd?= =?us-ascii?Q?okJ+MG7y5kB8T5FUN567YciULqUUcLiVjC5N0FwtnzVzGhpKk883TsbllDpW?= =?us-ascii?Q?W2MbysRQbF3toHOEJsKZeDObzRKmQDqGUMxOjZpzXzDogYaVku8TNOilAoI2?= =?us-ascii?Q?weodF2CA2D8Q25E4n9SLHYcCgcyWledFp2KscN7Jqf8wt8FXPCmC3NiLO3zz?= =?us-ascii?Q?Vid8PXsZbYSI/LgzL3O5iXfozzbXkJwbi8zj1xbW4Mshpxsj82UDz3otDaiG?= =?us-ascii?Q?eaEAfVxEQ8jX2tQDRPFk4M9Qd/jcGGI6TjkobCiwAV/O29lqdLeYRFTNYpw3?= =?us-ascii?Q?VfU5LjF7ZwO6uji4ddq8ISsPNkJkVSDJ10+7EiOc/n3nMoYuZV0qc4c3t3r/?= =?us-ascii?Q?sqwh9v04H87wN/nYxCclvmSvBb7seF8MFqPyGs+JYL0QnldBtMIoV9t78cTT?= =?us-ascii?Q?JVLlnZj13nfVcvo2eVuT5S53LVlGEsTpLbgucmYr2YBuOqxa9GJEdEMlIRsF?= =?us-ascii?Q?KycWzvZzKK2/XizXiM1zi65Uf0A+jktAv30mlLuNjVNpW3UbU6sxsJEB782z?= =?us-ascii?Q?co1+rnaKkmxy04943OoWVNo/Az1YPQZRW4D8vlHgtR/qg35lrlwdfEjvc2Vf?= =?us-ascii?Q?HKAF+FtreZMt0nyfrQdriIU+kAIP9SfQ7T+QcpXixoJhLSELvep4tsBZ/k00?= =?us-ascii?Q?kshaqK4sOAutTvIMSHZzUb0Xeu5Rq6gysq7zQ1RUPR2R0rGYujKMX2YsfuHm?= =?us-ascii?Q?ES345nw6lO7/PVBpXIGg7cn5nme2+T2+Utt2nHBoP6U0dcICZ6DD1SYiup7A?= =?us-ascii?Q?fdhxC7KDLhaAvyoXw7zpLAiEhPxtGx1AvGaHnKSGAR8vuZlJLUuHEa56q3Ho?= =?us-ascii?Q?AOv31Cj9xyZY6F0DdvK/Usj8Bb24ZcB6nhgqR6fpfD3/mNBtenj1T+e5YyDS?= =?us-ascii?Q?WCBA7XBwNk5VwuJhu+G+yXZkl4TTjnPiFo+VQo4/GPFfL4/PHPA3gf6lENUI?= =?us-ascii?Q?Cv3d5bq9hWjA+nXzRRFegiQs1tYGvoFVnzSS+TPWS6bzqlmkIIHoud7ZTiqn?= =?us-ascii?Q?ejGgOvvleJeemthYNXaO7wDOYnzRt2geVSxUIA4v6+6r7hW8RjBqEM6Dew9b?= =?us-ascii?Q?OoDsB8svI0tzZTcPhgqNEKIDAxVbt5lcDoZyJjeAgnCd0+YgIkyouZzuc+LZ?= =?us-ascii?Q?GIVIcO1XXuAk4zZe8W75kfSMGEBAyoBc+788dX6BVcC8Fz9zy9q/WlBnjjgY?= =?us-ascii?Q?0wx3Dv3zlnSCrsiFJD1sPPVNQEKfezrdLMKso4GdG75hXow4OyYn6fkA3v4J?= =?us-ascii?Q?szQaWVvk1DASV0vsnOh/dNLYKw2aeZNiV5meZCoU0jDntsDanPa3R3FIKwYI?= =?us-ascii?Q?D/wz+I1UYuAdUihYDkATptC6vrFS/RnKxe1PE+BOWDps+2kv2Ff/ANPTMQ4i?= =?us-ascii?Q?lg=3D=3D?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ0PR11MB5678.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a4af5166-c090-4d87-b3a7-08dcfea3220b X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2024 20:39:38.3904 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: mvy27Yu8nnf+fBLkgl5c78nGJ4FSLShj4at9XCZeVCw3jq8zPQQw+Hu+/Y3tVfDhfGuxIyV6PITjooiviHQeOVgNQQ+kb/D4m13Ij5glPg4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR11MB4941 X-OriginatorOrg: intel.com X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 3929D140007 X-Stat-Signature: 5hjwtyabofa53rcf3hg3ezu6sojnzoex X-HE-Tag: 1730925557-724455 X-HE-Meta: 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 a+MGSFrZ 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 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: List-Subscribe: List-Unsubscribe: Hi Andrew, > -----Original Message----- > From: Andrew Morton > Sent: Wednesday, November 6, 2024 12:18 PM > To: Sridhar, Kanchana P > Cc: linux-kernel@vger.kernel.org; linux-mm@kvack.org; > hannes@cmpxchg.org; yosryahmed@google.com; nphamcs@gmail.com; > chengming.zhou@linux.dev; usamaarif642@gmail.com; > ryan.roberts@arm.com; Huang, Ying ; > 21cnbao@gmail.com; linux-crypto@vger.kernel.org; > herbert@gondor.apana.org.au; davem@davemloft.net; > clabbe@baylibre.com; ardb@kernel.org; ebiggers@google.com; > surenb@google.com; Accardi, Kristen C ; > zanussi@kernel.org; Feghali, Wajdi K ; Gopal, > Vinodh > Subject: Re: [PATCH v3 12/13] mm: Add sysctl vm.compress-batching switch > for compress batching during swapout. >=20 > On Wed, 6 Nov 2024 11:21:04 -0800 Kanchana P Sridhar > wrote: >=20 > > extern int sysctl_legacy_va_layout; > > +extern unsigned int compress_batching; >=20 > nit: I suggest calling this "sysctl_compress_batching". See how we > treated sysctl_legacy_va_layout. Thanks for the code review comments. Sure, I will incorporate this in v4. >=20 > > --- a/mm/swap.c > > +++ b/mm/swap.c > > @@ -47,6 +47,9 @@ > > int page_cluster; > > const int page_cluster_max =3D 31; > > > > +/* Enable/disable compress batching during swapout. */ > > +unsigned int compress_batching; > > + > > struct cpu_fbatches { > > /* > > * The following folio batches are grouped together because they are > protected > > @@ -1074,4 +1077,7 @@ void __init swap_setup(void) > > * Right now other parts of the system means that we > > * _really_ don't want to cluster much more > > */ > > + > > + /* Disable compress batching during swapout by default. */ > > + compress_batching =3D 0; >=20 > Not really needed? The compiler already did that. Sure, will address this in v4. Thanks, Kanchana >=20 > > }