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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 418A1C433B4 for ; Tue, 6 Apr 2021 14:25:44 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 062E6613BD for ; Tue, 6 Apr 2021 14:25:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 062E6613BD 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 4B6106B0082; Tue, 6 Apr 2021 10:25:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 466456B0083; Tue, 6 Apr 2021 10:25:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 32ECF6B0085; Tue, 6 Apr 2021 10:25:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0094.hostedemail.com [216.40.44.94]) by kanga.kvack.org (Postfix) with ESMTP id 1287D6B0082 for ; Tue, 6 Apr 2021 10:25:43 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id BBA778249980 for ; Tue, 6 Apr 2021 14:25:42 +0000 (UTC) X-FDA: 78002165724.07.9417951 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf06.hostedemail.com (Postfix) with ESMTP id 6916CC0007D6 for ; Tue, 6 Apr 2021 14:25:43 +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=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 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 6916CC0007D6 X-Stat-Signature: 6r9xu87dnkgrdspwcaosempuey87d65c Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf06; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617719143-861305 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, 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