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 18E9CC433E0 for ; Wed, 17 Mar 2021 18:36:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A1F3464F4F for ; Wed, 17 Mar 2021 18:36:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1F3464F4F 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 B75A66B006E; Wed, 17 Mar 2021 14:36:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B24976B0070; Wed, 17 Mar 2021 14:36:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9C5B06B0071; Wed, 17 Mar 2021 14:36:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0130.hostedemail.com [216.40.44.130]) by kanga.kvack.org (Postfix) with ESMTP id 810CE6B006E for ; Wed, 17 Mar 2021 14:36:53 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 3A9C9824999B for ; Wed, 17 Mar 2021 18:36:53 +0000 (UTC) X-FDA: 77930222706.13.252B193 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf02.hostedemail.com (Postfix) with ESMTP id 91C2042CF023 for ; Wed, 17 Mar 2021 17:51:23 +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=rGJfEo0c4N/BIwZMUyXKTYj49Ef/YOPV1DuFMT6A41I=; b=W3xmbSdfZ5iXeZvED39lrk7GjL yCn8/s5ctILZyLudlyB8ZVNXAhGbX8JXuE4x4eNKUHXkIWhEKGHKyTb91mQHhuDZcq6m13PQE7s/L ri09yPI1Csu67NLuhgaeUBRITOKSQboppcf/86L4C0Y33BUVyPtkOP42+tExCLbBjNDlwJyOVUCWl +ASZGqoF6Rzi22GWrGZoTi2/XeucJWvG2B9UaNlrPQyQFYNsNmzLavWUp0vphXeo2xVDFzbwQgr2E tGyokdiR2zFHkEbT5n9MjuEEShb4b4iEKRSvz8X85kZmWzJeUQvwBOihw8jnZeavKLOcnNMeTgFli aXYC7GkA==; Received: from 089144199244.atnat0008.highway.a1.net ([89.144.199.244] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lMaJq-001wL1-Od; Wed, 17 Mar 2021 17:50:58 +0000 Date: Wed, 17 Mar 2021 18:48:44 +0100 From: Christoph Hellwig To: Matthew Wilcox Cc: Christoph Hellwig , Michal Hocko , "Kirill A. Shutemov" , Hugh Dickins , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v4 00/25] Page folios Message-ID: References: <20210305041901.2396498-1-willy@infradead.org> <20210313123658.ad2dcf79a113a8619c19c33b@linux-foundation.org> <20210315115501.7rmzaan2hxsqowgq@box> <20210315190904.GB150808@infradead.org> <20210315194014.GZ2577561@casper.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210315194014.GZ2577561@casper.infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Stat-Signature: m8rje5dkijgegyg73szqgqnjrw4mj9f5 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 91C2042CF023 Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf02; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1616003483-387148 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 Mon, Mar 15, 2021 at 07:40:14PM +0000, Matthew Wilcox wrote: > The reason I didn't go with 'head' is that traditionally 'head' implies > that there are tail pages. It would be weird to ask 'if (HeadHead(head))' > That's currently spelled 'if (FolioMulti(folio))'. But it can be changed > if there's a really better alternative. It'll make me more grumpy if > somebody comes up with a really good alternative in six months. The folio name keeps growing on me. Still not perfect, but I do like that it is: a) short and b) very different from page