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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F2F7ED4117A for ; Thu, 15 Jan 2026 12:32:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 256366B0089; Thu, 15 Jan 2026 07:32:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 202D56B0092; Thu, 15 Jan 2026 07:32:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0BA5E6B0095; Thu, 15 Jan 2026 07:32:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id EA39D6B0089 for ; Thu, 15 Jan 2026 07:32:45 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id C20FC8B4BF for ; Thu, 15 Jan 2026 12:32:45 +0000 (UTC) X-FDA: 84334137090.17.3903673 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf11.hostedemail.com (Postfix) with ESMTP id 51D1B4000F for ; Thu, 15 Jan 2026 12:32:42 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=EvAha5WZ; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=hk4HkJQs; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf11.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1768480362; a=rsa-sha256; cv=pass; b=GFDItpfI9OKoOo/64kE5jAu1Sq5wcUofQ5A5UO6h4MLi6h+BDUyb5/Dv7F/ijbHFGx+ViU OMpttBozWBu3pBdl6zOo1TSkfUdcphHstO7WfZJYCsHtiakR3IZe18fCgXNpdY/OCH3zo6 1mZKOrkS3vdE0Wd+CeBmJeolgiua7Ak= ARC-Authentication-Results: i=2; imf11.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=EvAha5WZ; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=hk4HkJQs; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf11.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768480362; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ulY1xBKscRHXLXWg0cLwVHbhv18BWaM9gdEM3tHo4uc=; b=jbkGe6lwnrhDBvwg2djE7e29zceBTc1Z3P5pS57coIjaLeOcQciLoOFtzo6rFY4w3RjdLw GXrcKcOpmx9lZkhPMKJzV/arnZ0HMjtkcUcIkt1XnSL1MJNAcmy+oiYaRq0eRVDfHPI0pE c+OqmppKIDjY1ihNm/G0Cy3zOqJW/kc= Received: from pps.filterd (m0246629.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60FBqUtH2753003; Thu, 15 Jan 2026 12:32:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2025-04-25; bh=ulY1xBKscRHXLXWg0c LwVHbhv18BWaM9gdEM3tHo4uc=; b=EvAha5WZxfKff/bVeWiWim83sg9GQKRkIk 0gA5XuMT2Q3Dadn9Qyn61INMQkxVY5ObH4bzwhL9Cco/MbiKZkd3HS7fTU68Bs+v ruPWvJuVrmuiWo8xy6ZS8/GTvkyHFNtq/jIcU1Nx2bhUCS7cM5NZKfeG5KDHtiVA 3xmmpvXbWvXVqE9k6W5Lb5fm2n1ZTU3VcNUXMcAu4fgN9wl7P2dFu5DTJnYxVUfj WGthfWqdJXANRWOeCzq/usFjR25KKQrKA8chiNijpaDjQPQeQ3cr0CdrLmkea6g1 v2Ezi7i/pUVZ2Hv6gsHKwPYLPCJPAcfZxUxOD7ZwcKZ1CVEpqN3w== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4bkpwgqnb4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 15 Jan 2026 12:32:25 +0000 (GMT) Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 60FB6G7i004244; Thu, 15 Jan 2026 12:32:23 GMT Received: from bl2pr02cu003.outbound.protection.outlook.com (mail-eastusazon11011019.outbound.protection.outlook.com [52.101.52.19]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4bkd7n2vpj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 15 Jan 2026 12:32:23 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=J647XRZYArYyZ1sesuqehOY7wb5xrFgUfL97DZGc5yy/oze1tEuDjacyeCrSey+rY6Kg4SgVmj/dmOD4AY7UMg3AjyFN1JmPsz+gn4oo5UemOZxo3bwSAbd3qM5poaqQwS88iycMWbrlfvkqGWZSK+2Qs0LT7p4WRHuOfxXubZrrlVUMNmBGHRsMbFFjd4NyXzlM2szPevf3A2Mon7dMWskezuRjemYrBZXVrpyoK+he20e6kmTkXuf6+RP67sBlM3XYfNBgewLDjAQ7G3qHSZdKZhf3WpHgx8s3IizVTyTho7vvtG1e9LQMLUW/ZPn+GOnqeSVvIFLXiDYXs7KDtQ== 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=ulY1xBKscRHXLXWg0cLwVHbhv18BWaM9gdEM3tHo4uc=; b=dc8TNnSto7zcEOeKShMycCnGlvP1KVg2Vo8m0RAIDAbPUlC+XrTMi7JQu3uOrXgeSiQ5Jgb6Y1k5+uonfKViBhneb8kFVxB5880w9Qfv7lL/1wAHqVC3dE8AMC6weoC/wGHG6Az4Fx4uWNSVEU8Htm+dz3YpIdi6AN84aIJhYmv2h/HWGPZc5yFOYkmMZv69vXiTpNWOvsnTw5sJ98iLiUhijdxFnu/Gjg+6SZEthwGKvySsuCnML3AiCgS0LdMwF1PdglXY+Sbpa1FjmX4oefU1kjBrLRPeXB3CL6bN5ene135WUKVRA3Q029aPNCChJV7ZefFbX/n3xP5kZtRszg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ulY1xBKscRHXLXWg0cLwVHbhv18BWaM9gdEM3tHo4uc=; b=hk4HkJQsKkggZfZPM/DBDrKVnkXPPe74QM+x0AM3Jrc9uRxVFTCNRIExiV8Q5weFcQhtOdtUWdbHCi6uHagZvziEpGXL43/+7Li8tojfKcp6tY1YQUKof5AO7rM3WEYo5VSQN7IJMkBgWJwqsFm8/9saGIQlnp4U49s77aZiSWQ= Received: from BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) by SA3PR10MB7072.namprd10.prod.outlook.com (2603:10b6:806:31d::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.5; Thu, 15 Jan 2026 12:32:19 +0000 Received: from BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582]) by BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582%6]) with mapi id 15.20.9520.005; Thu, 15 Jan 2026 12:32:19 +0000 Date: Thu, 15 Jan 2026 12:32:22 +0000 From: Lorenzo Stoakes To: "David Hildenbrand (Red Hat)" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Broadcom internal kernel review list , linux-doc@vger.kernel.org, virtualization@lists.linux.dev, Andrew Morton , Oscar Salvador , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Arnd Bergmann , Greg Kroah-Hartman , Jerrin Shaji George , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?utf-8?B?UMOpcmV6?= , Zi Yan Subject: Re: [PATCH v2 14/23] mm/balloon_compaction: move internal helpers to balloon_compaction.c Message-ID: References: <20260115092015.3928975-1-david@kernel.org> <20260115092015.3928975-15-david@kernel.org> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260115092015.3928975-15-david@kernel.org> X-ClientProxiedBy: LNXP265CA0076.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:76::16) To BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL4PR10MB8229:EE_|SA3PR10MB7072:EE_ X-MS-Office365-Filtering-Correlation-Id: bec5245d-8904-4024-5900-08de54322008 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|7416014|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?1AGlEeHYBZEy/9NoidokYuZLas0J4IKDS3k5T6X+DiNlI7gaTokU9fY0UPmB?= =?us-ascii?Q?99KOedXQebtx09oPWYxXY/S012ly3AK6VrgRsveuMc4vBfII38PqQUD/FWjM?= =?us-ascii?Q?rXL/NAeAESx5e9r8sPYt2/zmErrWhnSmoSFSxhGCfkpktnuaE014l7g+c3u0?= =?us-ascii?Q?4RuzKZCKBNB1BX+mszXlJHbWY6aPrwSQGVgpMU7EoQ20/UMNDMx9waUfV2nL?= =?us-ascii?Q?klvyRyJ1pySDe47bKz6asljGhn/hesCwpBzxqxCM5qfCiGicI0W/NB+MUDGc?= =?us-ascii?Q?FVfDtfa9gC+2CamvOyb5rsTzbiHc3qvInRUZPA/ITFJQzbrOoywZac2Ezv2v?= =?us-ascii?Q?gDzGdafhIleSj0Sc2YM0c9s1t0F2rVeBNsrVy4aiG2Db+WpMYm43J2qZeWbJ?= =?us-ascii?Q?RtDYgJagmTZ5GdwYvW37WDE1SN4kZlSMlt6+z09avNGdurkgJYES88Vb0Zvk?= =?us-ascii?Q?1ywqN1+Npkr51xAELZZ0CvdEFvIhcAiEcQJGYh6BE+L/1Qw/Tf/pXcgbLDmI?= =?us-ascii?Q?RM1PNprLrfQ5ABv2BTDnzGeq7CIQO301CSQZ09YRC5Ph0LQONmyt2ju6YMbx?= =?us-ascii?Q?Ri6cHMijvgGDGgyUgiq6TdGnKvnj7EZ0suHCWVB9CBuXwmrAUc/9tMrfv6z4?= =?us-ascii?Q?FauAMi9Bq/JTspY6F/cG4RR6/oNm/R8myACusqsvUSRad1uAsnXTNIzbcoBl?= =?us-ascii?Q?wczyIiE7X1DZ9nczIVCGRsd/hyOzLFGlS+bGn3gxR6FIVM3cZILX+JpMp+eK?= =?us-ascii?Q?gbV1Qt0pbP9CB7ndI5uIF57yVNbOLvy41Kbi+9xAvDp0pE8uHHhHbP0j42Yu?= =?us-ascii?Q?XfjOUqHmRrN8+3mcgqq//VHkr9HKFSvdhbUbveOpRETaYogaTrpV1yGRpMwq?= =?us-ascii?Q?0gBGpb9km4W8wWG4ZgUtlGAC/sg/8bAiDBlOdHP482MtRodlY7wM4L/NtPL+?= =?us-ascii?Q?v5k+4JVOVDdlEF2NI6QD3UvvKh4g2MWDMCvid7jYGhuLWPYRc5qiKtr/Wx9B?= =?us-ascii?Q?T0HTVbI7eynjZefIRpP+bTNC1PWJGRcm25a/lLZ8LU+TDluUpc8bEwehPvfp?= =?us-ascii?Q?/b3qB4/zgwk8/JZJUoeFNA9Ce0p3CkN61HhADcjBg4BjMaAdeCbQwQhrWDvR?= =?us-ascii?Q?ZloBWyTQeOxPZ6JjCqizrXd1qANa5JxyFzWUrEVnL44khaDk9PDyuDHs/4jS?= =?us-ascii?Q?RZDiJx4/oei+o5622WmDuHdc1KLn2AUFJFli+r5wb98wuT5yH5z6DGdHYF6c?= =?us-ascii?Q?ViyY6MS3jo2LjuUIFpCaVO6PjBdbATGZdiVVUDNd4FlhELHzdEZEt4yj8f4q?= =?us-ascii?Q?rraEseV43ge+stgTY+YANCFsIts0ZlKKW5whLx1bEHsiyXwbyXiepLNdSHkE?= =?us-ascii?Q?qOp2oZWnoMwbi/SLxpE3r6SER47T1IcUVLo3HMSaIrb4EBSgWYl4o/8NpTAO?= =?us-ascii?Q?fvX66zWLuZLa+nnDvSekPfScR+ek9XxJoAX/ysKfIpclwjS6GxHfAtsQB1S0?= =?us-ascii?Q?e1O8wfD6yWH0cTMZgyWcB2GtNwb3FlOS4SvGGMlHnQvFLO2ehGV3+gotOAq+?= =?us-ascii?Q?8EhFWd+IdF7adaRpn6M=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BL4PR10MB8229.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(7416014)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?yQ9+rIpagLb8dAjFYlQU0O0U9576UTZRKVdIBuFPHS6dqukLR7cCVTlFQMhy?= =?us-ascii?Q?IvDQLx0LFKE3lLiqOpZjFsxO5APt7eGnrLo4yPToTsnlPVY7wsuJ/hXPwegK?= =?us-ascii?Q?8CIJZB+6uLAR2mlTOGFjHozyplxL5ysI0YNIT0nGCoXQZtOk436LupsYPy3V?= =?us-ascii?Q?BIw/H7wRnS+MB0LzqX/ixjDEc8GNvof1PCbaNXw2xQ0KwkaJWLapyVZ4Gmzs?= =?us-ascii?Q?1RujtD4bm/RI/ZfzKSOJusYeCClL3o5p09HRakMXUSRTJpt9qHnJyrYFM6L+?= =?us-ascii?Q?RXck41LbKHcXRZaP6GRtVn+8Pvc/Z8GnDulv+Is0c3PeWJTshnneW3D9LUJH?= =?us-ascii?Q?9OnMcz+MvMDy2f/PvKVk9yVpuneVrdOcOdpoIC9/MH09OHu+WUcxobE0+xSX?= =?us-ascii?Q?JSND6GM8pnimFPsQocl1gAILDR4nzmWjoQzwlI4Xnqsy+CsYCrDHUf+OzD6I?= =?us-ascii?Q?Jc4iyfveD9LBSkgLMxZQ/fy423Ahhv7i/yef2BtDhZ7fqfmznk682VyvDMyN?= =?us-ascii?Q?GQpSmAMtAYuALJIUvOVytSfDOvQR7jciHwc5eOnamQzGlD5eLIi1q5fagj1g?= =?us-ascii?Q?SqSFM8Qt0uE93rLfgrMjtzbqP3PB0bjiLdpz/zvlkmdwqJt16HYuKs7Q+hiM?= =?us-ascii?Q?QfjLRHjaFnGAzOXFvEpR93+4Gmt+JBNh4aFfFMe21jPki1jCnirAZHpaQhZr?= =?us-ascii?Q?8wwWKFiV/8avajA3eXv2PfGhp6qHSo9XWbk14eCoMc++KQLBQhBQBQYZgBnN?= =?us-ascii?Q?FtXxpzYKrb2G7eBSNHzWFJWvMFtcdLPMjO92wIik5nA+iyFAbSBHDkv2ZXS/?= =?us-ascii?Q?EH6YTuCxk3TkORaTjpZMUi7V6LDD1jAkf9zKREHowiDK5iH07HCyr/Y6gKZc?= =?us-ascii?Q?iSgS7hf091G09zoRQ7IlSCXIa+rNWVo0DOa5clvZwtcpundHWQMx3Hx0Lfdr?= =?us-ascii?Q?2bo1SehYLFxJoqdnzyaRh104n0Z6RIslZrSlDXPowSxTXrfxIZr+QhEkNBL0?= =?us-ascii?Q?MxFtG7GcdhfUmprevHzAJFLVxI5Xy4tjdLli0V3Wj/4l/B2J5PU43mKwGOqe?= =?us-ascii?Q?mwoZ9B1LiwoWlfSJCvFwDEAD+32tAK08ottkPfSJKlRYnSWCtZJCF8OTZe5e?= =?us-ascii?Q?JqitAz+I2Qem73HP5/C5FHAhgVcPLlPy+HSfBpoyGgrnpbIxM750OaHEO8YC?= =?us-ascii?Q?4+905yAD9LG81o0Mc+8jrvzS2fly/DJqWhJ0pvNHxBQ1DNvs1JUN0mZzWu6h?= =?us-ascii?Q?HLB6+ZkKe9v5Cejfm/aLiM3cjMD1JPJZjhbsVzUiIZypCrv8ceQtWjuZQ7Nc?= =?us-ascii?Q?k32zPaDru+vxS4Q23YsB5lapIPLvU1TksqE/I1+Zhjo3FL5MwuuQua1K56Si?= =?us-ascii?Q?NPcdRwmkGDsA44nwM56O9VwIVKEn9MoTAYdiCP0KtdKBVim0pn5g4vnY8qsO?= =?us-ascii?Q?l+KTGkYz9RAWjQGOmxAq0G6NYw33JBNGcq12RWYMTDfx38qFTLOJHwjZSXJS?= =?us-ascii?Q?I0XtG9HEauEMHOURmdhRvPPKrAqF8XfqQauNUcsWbTsQDdU+4N95iL6Aykxk?= =?us-ascii?Q?MJxYjt27jtEDf/tr7jLnMSuEdvfxWwBFEeW/d5f+BmJklXLnmlCHgIKfzx6Z?= =?us-ascii?Q?vgSjzi8ze9h25zVpBHZQ+nBXxIGD1jCMZMWe+juBi7KY3ZSoBUcLtl6JWFDF?= =?us-ascii?Q?3XealzBH0p858/cpsgozh35IGiaUZfoLm3/4yNdbg/UcCZ2sMvKrIQlsQSAI?= =?us-ascii?Q?sn0kPhWJWPR733Lq5fu7BXX0fGAyLFs=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: bec5245d-8904-4024-5900-08de54322008 X-MS-Exchange-CrossTenant-AuthSource: BL4PR10MB8229.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2026 12:32:19.7336 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: tkjfiF9tUK0141W2oHjcq6cmm3YVAqlOngQoY6+/vBZg6B9BaxRQexVkFgfjkTbyfchEYXuUlH2VT6yfh2B9S7oek1w2V8hGkFFMyADkMDc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR10MB7072 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-15_03,2026-01-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 suspectscore=0 malwarescore=0 spamscore=0 adultscore=0 mlxscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2512120000 definitions=main-2601150092 X-Proofpoint-GUID: cwaeljeeAikWas73KCD8tMc66rh3wkJ- X-Proofpoint-ORIG-GUID: cwaeljeeAikWas73KCD8tMc66rh3wkJ- X-Authority-Analysis: v=2.4 cv=ZtLg6t7G c=1 sm=1 tr=0 ts=6968de59 b=1 cx=c_pps a=qoll8+KPOyaMroiJ2sR5sw==:117 a=qoll8+KPOyaMroiJ2sR5sw==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=vUbySO9Y5rIA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=yPCof4ZbAAAA:8 a=uICwKfb82vh2Q8OXV-IA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:12110 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE1MDA5MyBTYWx0ZWRfXzLVQ4kFcvFre gNTG3FUR6/l3IAHBp/2hGqlhxPqGnkjVX67JyswpmFj2TdOZpGhuXU35X7FNLCZpPorsoweoXM2 zDfhqoHI7kBJfE8WFq2+iF/0tQfGv0/3T+pDoXDSt+KiZw8mcmaUmGD98WVFdXyn2utrYtsgRgR zGqeP4vk5nAe8F2/1cOGH+kzhiKHTD6cxl932WlsaCktSXtmAc3XIxleeVIOoaqBadlKIvJX115 DCgcJ1D/iq74eNYYh9p3BxDQJD2wLkBFBc/hlgsGofU5tb055ppVvmIvI6FO15LsKLpGpxMuH6Y rzk+ycdZU6pouHkMIaC3CeIQeZDKQZgAWRWpE+8cxFs9/urskUu0nAwDVcI03TmX1FiK5B9JKKp y/gUGxOJ6DcsbwOamG+YrOencBrNorfJl0cecds4pafu2CuJYQ0rkZz8rfor/ChKXpoVZoeIeVo ym+P5vdQwSxXbMZ9ld9o2hq/4rHlPcMuRwJxovts= X-Rspamd-Queue-Id: 51D1B4000F X-Rspamd-Server: rspam06 X-Stat-Signature: xqey5pt5w3rt1xhojses14xngcbmohcj X-Rspam-User: X-HE-Tag: 1768480362-628611 X-HE-Meta: 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 AIIIVrT2 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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: On Thu, Jan 15, 2026 at 10:20:04AM +0100, David Hildenbrand (Red Hat) wrote: > Let's move the helpers that are not required by drivers anymore. > > While at it, drop the doc of balloon_page_device() as it is trivial. > > Signed-off-by: David Hildenbrand (Red Hat) LGTM, with some nits below so: Reviewed-by: Lorenzo Stoakes > --- > include/linux/balloon_compaction.h | 44 ------------------------------ > mm/balloon_compaction.c | 38 ++++++++++++++++++++++++++ > 2 files changed, 38 insertions(+), 44 deletions(-) > > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h > index d1d4739398978..eec8994056a44 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compaction.h > @@ -75,48 +75,4 @@ static inline void balloon_devinfo_init(struct balloon_dev_info *balloon) > balloon->migratepage = NULL; > balloon->adjust_managed_page_count = false; > } > - > -#ifdef CONFIG_BALLOON_COMPACTION > -/* > - * balloon_page_device - get the b_dev_info descriptor for the balloon device > - * that enqueues the given page. > - */ > -static inline struct balloon_dev_info *balloon_page_device(struct page *page) > -{ > - return (struct balloon_dev_info *)page_private(page); > -} > -#endif /* CONFIG_BALLOON_COMPACTION */ > - > -/* > - * balloon_page_insert - insert a page into the balloon's page list and make > - * the page->private assignment accordingly. > - * @balloon : pointer to balloon device > - * @page : page to be assigned as a 'balloon page' > - * > - * Caller must ensure the balloon_pages_lock is held. > - */ > -static inline void balloon_page_insert(struct balloon_dev_info *balloon, > - struct page *page) > -{ > - __SetPageOffline(page); > - if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) { > - SetPageMovableOps(page); > - set_page_private(page, (unsigned long)balloon); > - } > - list_add(&page->lru, &balloon->pages); > -} > - > -/* > - * balloon_page_finalize - prepare a balloon page that was removed from the > - * balloon list for release to the page allocator > - * @page: page to be released to the page allocator > - * > - * Caller must ensure the balloon_pages_lock is held. > - */ > -static inline void balloon_page_finalize(struct page *page) > -{ > - if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) > - set_page_private(page, 0); > - /* PageOffline is sticky until the page is freed to the buddy. */ > -} > #endif /* _LINUX_BALLOON_COMPACTION_H */ > diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c > index 709c57c00b481..717bc43732d09 100644 > --- a/mm/balloon_compaction.c > +++ b/mm/balloon_compaction.c > @@ -17,6 +17,44 @@ > */ > static DEFINE_SPINLOCK(balloon_pages_lock); > > +static inline struct balloon_dev_info *balloon_page_device(struct page *page) NIT: inline here isn't needed. > +{ > + return (struct balloon_dev_info *)page_private(page); > +} > + > +/* > + * balloon_page_insert - insert a page into the balloon's page list and make > + * the page->private assignment accordingly. > + * @balloon : pointer to balloon device > + * @page : page to be assigned as a 'balloon page' > + * > + * Caller must ensure the balloon_pages_lock is held. > + */ > +static inline void balloon_page_insert(struct balloon_dev_info *balloon, > + struct page *page) NIT: same as above. > +{ > + __SetPageOffline(page); > + if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) { > + SetPageMovableOps(page); > + set_page_private(page, (unsigned long)balloon); > + } > + list_add(&page->lru, &balloon->pages); > +} > + > +/* > + * balloon_page_finalize - prepare a balloon page that was removed from the > + * balloon list for release to the page allocator > + * @page: page to be released to the page allocator > + * > + * Caller must ensure the balloon_pages_lock is held. > + */ > +static inline void balloon_page_finalize(struct page *page) NIT: same as above. > +{ > + if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) > + set_page_private(page, 0); > + /* PageOffline is sticky until the page is freed to the buddy. */ > +} > + > static void balloon_page_enqueue_one(struct balloon_dev_info *b_dev_info, > struct page *page) > { > -- > 2.52.0 >