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 X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95C6CC433B4 for ; Thu, 1 Apr 2021 07:05:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 113A56100A for ; Thu, 1 Apr 2021 07:05:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 113A56100A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 83F726B0080; Thu, 1 Apr 2021 03:05:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7EF5D6B0081; Thu, 1 Apr 2021 03:05:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 68F0D6B0082; Thu, 1 Apr 2021 03:05:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0172.hostedemail.com [216.40.44.172]) by kanga.kvack.org (Postfix) with ESMTP id 4C2856B0080 for ; Thu, 1 Apr 2021 03:05:58 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 0EC19365C for ; Thu, 1 Apr 2021 07:05:58 +0000 (UTC) X-FDA: 77982913596.08.DC36889 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf20.hostedemail.com (Postfix) with ESMTP id CE2A0DC for ; Thu, 1 Apr 2021 07:05:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=88lYvDpnwPfKj3QVw708sk877g/3cogDT4ZN4+SDo6U=; b=Y0AEWLS1Ti/qnF59mInxsA2tYL x1RS1lRNZ07pQFwqNSp+efQQQyb8GFL/kJy6qvsGK/qAQfWCxfz1I4dsYWLMqJFdjcKJfawPXg4ey 1FA/T4516LzuGnOceiuMKI6mH9uGKcwZmiW4qTqUEhV9IQGo2acQ5jhHmJgiqUdTb49RKwuq3dbAp LJsvJ06vv3GLx1gZDgj/JGflwEYft7zWmW+A4zqFv9fSpZ6hcDGiJrE79iC1E8QBXcbYtGbwiXHcG JvdpJT1slbYtyiEG1HturyLiazPX87N235lVb5H3cqFtUqFgIRAnrFxN9mXHRtBRCmQQZGhoeQbEi KNgLvDKw==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lRrOb-005kyu-Je; Thu, 01 Apr 2021 07:05:41 +0000 Date: Thu, 1 Apr 2021 08:05:37 +0100 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org Subject: Re: [PATCH v6 00/27] Memory Folios Message-ID: <20210401070537.GB1363493@infradead.org> References: <20210331184728.1188084-1-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210331184728.1188084-1-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: CE2A0DC X-Stat-Signature: qak6keq7wo793y1bxx84zwfqdsim7go6 Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf20; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617260756-163372 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000005, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Mar 31, 2021 at 07:47:01PM +0100, Matthew Wilcox (Oracle) wrote: > - Mirror members of struct page (for pagecache / anon) into struct folio, > so (eg) you can use folio->mapping instead of folio->page.mapping Eww, why?