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 A4ED0C7EE37 for ; Mon, 12 Jun 2023 04:53:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 42A726B0074; Mon, 12 Jun 2023 00:53:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3DAB76B0075; Mon, 12 Jun 2023 00:53:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2C95B6B0078; Mon, 12 Jun 2023 00:53:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 13FA36B0074 for ; Mon, 12 Jun 2023 00:53:40 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id C9C9816010C for ; Mon, 12 Jun 2023 04:53:39 +0000 (UTC) X-FDA: 80892877758.19.7A6AE34 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf10.hostedemail.com (Postfix) with ESMTP id 396FFC000D for ; Mon, 12 Jun 2023 04:53:37 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=ohSp1EKD; spf=none (imf10.hostedemail.com: domain of BATV+33f57c12507318cbaa86+7232+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+33f57c12507318cbaa86+7232+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1686545618; a=rsa-sha256; cv=none; b=gTpD0g9AoZ3t526ElY9VE8Kt5dykI2f1QTO1VeDhoSVCSC9FO0SAMK1SxGBpurytLKD+Pt 6s1NQu7vAUbi9FFQX1S1KeX6ym8nGqAwVXoGe9AVsisREa33/t8xkRFhRji8EpTFnNxMsP LtAxGtPZSzt+PovLtCbfw4Lci/T7erU= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=ohSp1EKD; spf=none (imf10.hostedemail.com: domain of BATV+33f57c12507318cbaa86+7232+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+33f57c12507318cbaa86+7232+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1686545618; 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=4eY/ywIugfofczrBm0qERLAgihZ9+hCwbUIkEYA8S/A=; b=eN40K8GhRiueTvF1DA9FQ45G+sqT+I6TDlLqdNN5AIM5m1Ihxn44KUdnvIhsI4ARJ+f24y YJRxkgPeV49TTsW1g++DE7bdn7YTlxKA8BXOCeIolTdhFuBOnOK353CyOrH9pq3DNj595L as8a8dCdxQqAL2iCuO0J9FgoD0I3wRM= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=4eY/ywIugfofczrBm0qERLAgihZ9+hCwbUIkEYA8S/A=; b=ohSp1EKD8zf7Cs+mrzxbnxUdMF T6+XxQ9cb4DAIwGEsZpJh4y3tmFn72ZZR20Ku/MNFw07eRi5a7SJCZrTvijKWfgcWM9sXD+s43WaE C6iSp3up9C4wpoazrb7WneNbjRhH1//nJ5zSVKMhEmdJvPkNW8HuOnm7GsPyLyXQcZjZn8N/+6V0I 4i8kbUsf+68dWk8xzE94U8kEv57W98SKbrboPRgr/xeH6l0lHWExyFswSI+13dbfR4EB7dNwaNfqD pWMlx45SZfImdfbUetSkG4wMWVyfuY+y+RImq1w/XtoW4OpdOi5MusoUBLYgfTkdbsmcFqdWvatYi hvYkB08A==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1q8ZYY-002aFl-37; Mon, 12 Jun 2023 04:53:30 +0000 Date: Sun, 11 Jun 2023 21:53:30 -0700 From: Christoph Hellwig To: Mika =?iso-8859-1?Q?Penttil=E4?= Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alistair Popple , John Hubbard , Ralph Campbell , "Huang, Ying" Subject: Re: [PATCH v3] mm/migrate_device: Try to handle swapcache pages Message-ID: References: <20230606050149.25699-1-mpenttil@redhat.com> <20adfaff-054f-ab5e-0ff4-4ce3952fbd58@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20adfaff-054f-ab5e-0ff4-4ce3952fbd58@redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 396FFC000D X-Stat-Signature: o481b3eaxksy7t8us3c5zucefbt39n6x X-Rspam-User: X-HE-Tag: 1686545617-65522 X-HE-Meta: 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 LTcdPdVa aVa1ixkexr3sA9qZpyfEWy6eaBYRjczbDxvxr5GZBZyO5F6TP2O6eB+SCpacRZw5YlCKul6EaqXvJpNUwt4VHUu3qOjbBmgXGUGNuu5kngEOs14NL16xvhqWZ1DipagNuoKxvRsRDGErevNOgx7YnliQtZ7EY0MaNZcp/wP9xqOLpjjutyZxAba5dcWqF6+aMDt4mc06sB56hxWetH7i8qRabs+vyx8IxLJSXQwr+cs725XB8QAX2WTdQf8rlCRIuONg4sXxNu7wFar27UNem1xUz0gbJZsEuDdf+j11eAewbnxx2NRjMYo5pN3cUUZK0jKJebHZ5uP/pLrIauEdrWDmqcD1kFXDFuCy63CVhvxYXsNMhcgFN3DRrdOZ0G7Fafro8Z4M3AL3h3HQ/jtvLfNEu6gIasuEPeDlmcbsmllByRAXlwVJ1U0JT7WkbwOYgFl7hpiFJxiIPh9A= 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: On Wed, Jun 07, 2023 at 07:06:06PM +0300, Mika Penttilä wrote: > > > On 7.6.2023 17.10, Christoph Hellwig wrote: > > On Tue, Jun 06, 2023 at 08:01:49AM +0300, mpenttil@redhat.com wrote: > > > From: Mika Penttilä > > > > > > Migrating file pages and swapcache pages into device memory is not supported. > > > The decision is done based on page_mapping(). For now, swapcache pages are not migrated. > > > > Please fix the commit log formatting, it should not exceed 7 lines. > > Not sure what you mean should not exceed 7 lines..? Sorry, this should be 73.