Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp284008pxf; Tue, 6 Apr 2021 22:29:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy9FbkS45Hp7ELW3WxZxQ6v1m8WE2CHde2UYZTZ/CD49bQ+SWPAov88R988WayT/Xr1Dj1P X-Received: by 2002:a17:906:ce32:: with SMTP id sd18mr1705011ejb.85.1617773354508; Tue, 06 Apr 2021 22:29:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617773354; cv=none; d=google.com; s=arc-20160816; b=Tc8++py9+J6WAHqsTtvmHA+yNxKAQSFZJtyAPtjpaosCfPMptPIxmH/cru6O450csq MNfHyV4G7ju32bDMITb/pt55gSTo29ky/VYhYcMzeX5vUgvVscePKUiqh27CA0g6j8PR gGDkA9xv/R3E9z9cHOzSSw8iVJgfqkKG5PY9ylDPT4l87NkFnXfngO0FRQ9XYrL1lNL3 2JpCnT2Lt7iZ4Hyomqm18SppG15PId7447gycjHehgeVoVU3jGW7L+j/q+Ev93ArKxdo OUu/zpgian7sGbVJyUg/iwVFLAG9BYUQpyrpV3J84lHS1v10ySpTtNoykr34/nw0RR3s I6ig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=LhIPpgiu3IunGK9kWoKLuEzxpJl7JYNX6ujUKfF3uzA=; b=b+ITFTdK9LuUEgydoFFbmHwDU9SURYsc/FD/igZyIRdH/rWQEE+l6uUQ7XR+Fm4NGO pscHSZbJ5fjO47sTbkZGvmuk6Z9nMGG9eOW0/mNkMgAQJwTgvOQPA1bnCNU9IcqADWxK 4Qy93urQZganB7EpRDcpO7xV/8c15z6BVyKvDqqG4mjbRrJH/xUOS2vsRaWwxzPRDDT/ OJ9iHoGjHneatDWeY/adHvy6g5ghiQCL+TiPlssLgnKfVPcawGPtqRjmsmVqDnpFyT6Y vjNjUGt/Qtu1TtgCx0etslMcEUyM5kTjR+HqKMq3PnddDuAzuJs20pNPbxG83QKr3EvO Axng== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=Suq2pCTc; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v21si10202119edc.419.2021.04.06.22.28.50; Tue, 06 Apr 2021 22:29:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=Suq2pCTc; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345144AbhDFO0K (ORCPT + 99 others); Tue, 6 Apr 2021 10:26:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230032AbhDFO0J (ORCPT ); Tue, 6 Apr 2021 10:26:09 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F535C06174A; Tue, 6 Apr 2021 07:26:02 -0700 (PDT) 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=LhIPpgiu3IunGK9kWoKLuEzxpJl7JYNX6ujUKfF3uzA=; b=Suq2pCTc3wv08U6mvKbyu9Rser 5GX7i48KZIwT8vBbwj7ni8zlHmjSugiwPrl+xcYv6ZKfubM2po5pHncENHJuAirLyZZVWMWU42cCA Q0yiKrjR2wX4bTemLze010X8gzReHd3oxKn4W0WbyterEq/j/cMguLJgOzpcG1zmA8XLui14jHA13 C4/EOLdJUa+14g/bPsNjmmD2RK5LRq0bauTHtkJ/uczCpYlaFnLbflDASpfWt++lX/1v23gydHU3U HkfMz6IJiHju//g1MRaZQaf89QAqHHZaqVCRqqMR3PtYIAsym20sdi3CkDENTGIjkY8e90eqHxo2K aKJPd14w==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lTmdh-00Cvsj-TS; Tue, 06 Apr 2021 14:25:16 +0000 Date: Tue, 6 Apr 2021 15:25:09 +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 27/27] mm/filemap: Convert page wait queues to be folios Message-ID: <20210406142509.GZ3062550@infradead.org> References: <20210331184728.1188084-1-willy@infradead.org> <20210331184728.1188084-28-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210331184728.1188084-28-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 31, 2021 at 07:47:28PM +0100, Matthew Wilcox (Oracle) wrote: > Reinforce that if we're waiting for a bit in a struct page, that's > actually in the head page by changing the type from page to folio. > Increases the size of cachefiles by two bytes, but the kernel core > is unchanged in size. Looks good, Reviewed-by: Christoph Hellwig