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 3AD9BC433B4 for ; Mon, 17 May 2021 10:02:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C71C061029 for ; Mon, 17 May 2021 10:02:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C71C061029 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 537806B0036; Mon, 17 May 2021 06:02:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4E75D6B006E; Mon, 17 May 2021 06:02:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 387AE6B0070; Mon, 17 May 2021 06:02:50 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0145.hostedemail.com [216.40.44.145]) by kanga.kvack.org (Postfix) with ESMTP id 032FC6B0036 for ; Mon, 17 May 2021 06:02:49 -0400 (EDT) Received: from smtpin35.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9C5BE8249980 for ; Mon, 17 May 2021 10:02:49 +0000 (UTC) X-FDA: 78150284058.35.8EF4F20 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf14.hostedemail.com (Postfix) with ESMTP id 7B00CC0007E6 for ; Mon, 17 May 2021 10:02:46 +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=ckgZjUQxdMOTLeNpdl3Cyb4DA2f/xWwrvKCpphG2X9A=; b=o4PUJhbYrH+ptqeYkQ2ry6dPb8 +i7+JViJDkMfRh0w2q1ZeUtfHcmURAoSjG23mQZ/q2gHlFxlTyvazQmpphLFAnf4oGp2j2uIEzzR/ lkULs1Ru+nYRsyEtbGHh0rITSrcpHbDgq3POx/6ERVJ1Ykvt6KYuR1oLgQa/WyuyM+9rv9ygeq9nG 0Bu/6ggTTUGyexJIiPmglukmscrqA4i6FvxQ2xs9fEmyjEbM2bVSyjiaDKaI6BTuJaSZfOlmU3F3k WF5SJzmD/OaMeVWXXcm4jTWf255nZtde+dCqC49pEsErGJ/2GL9YbsBAcFqm88i06maypgBLCE6eh f6fYuspw==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lia3D-00Cmcn-KB; Mon, 17 May 2021 10:00:46 +0000 Date: Mon, 17 May 2021 11:00:39 +0100 From: Christoph Hellwig To: Matthew Wilcox Cc: lsf-pc@lists.linux-foundation.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org Subject: Re: [LSF/MM/BPF TOPIC] Memory folios Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=o4PUJhbY; dmarc=none; spf=none (imf14.hostedemail.com: domain of BATV@casper.srs.infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=BATV@casper.srs.infradead.org X-Stat-Signature: 56eo3sqp8f143a7xhhuzab66fry1dzib X-Rspamd-Queue-Id: 7B00CC0007E6 X-Rspamd-Server: rspam02 X-HE-Tag: 1621245766-366113 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 Fri, May 14, 2021 at 06:48:26PM +0100, Matthew Wilcox wrote: > it would need to be evaluated on its merits. Personally, I'd rather > see us move to a (phys_addr, length) pair, but I'm a little busy at the > moment. This is on my todo list. Fairly high, but after another block layer heavy lifting project.