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=-3.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 C6F86C43387 for ; Tue, 15 Jan 2019 15:39:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 95AA820657 for ; Tue, 15 Jan 2019 15:39:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jw/SK5Eu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95AA820657 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Zk2lBQiZsyA0BpxzGmf+hpViEARd8LNL8l+Bp4F6HgM=; b=jw/SK5EusZiCsq zApWlqy9NwBWXSKAsPenxCb40xeH52Y9B8s6vWmm4cFUbZkzMfxl1ibCrleYPVlvXvyMYUW4PUg2I bYImoQb0Z/pOi0YARp3i5E0lNE1rT8nlCPomUPw25Af/gCEDYeBv6C68PQURSxI2eF2P0bJUx47H9 39+yDLi4Mp+05iEdB2x1MjtzMRwuzKXH2069HRA3VMPkIl1n/E548kAsEV3hYbqGPhK83qOcCQlOL UnbxDdKqGPj2XNWR0tVYiC86a9s+9vSAWcpsLrW9s12ZjQ8AclEwS1V6c92TPiNKkbrH956ahqfHc ebZ/Sw1qe2690mOTRoFg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gjQoF-000582-4t; Tue, 15 Jan 2019 15:39:23 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gjQnX-0004NQ-Au; Tue, 15 Jan 2019 15:38:39 +0000 Date: Tue, 15 Jan 2019 07:38:39 -0800 From: Christoph Hellwig To: David Hildenbrand Subject: Re: [PATCH v2 0/9] mm: PG_reserved cleanups and documentation Message-ID: <20190115153839.GE26443@infradead.org> References: <20190114125903.24845-1-david@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190114125903.24845-1-david@redhat.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Michal Hocko , CHANDAN VN , David Airlie , Benjamin Herrenschmidt , Bhupesh Sharma , Palmer Dabbelt , Heiko Carstens , Stefan Agner , Michal Hocko , David Howells , linux-mm@kvack.org, Paul Mackerras , linux-riscv@lists.infradead.org, Alexander Duyck , linux-s390@vger.kernel.org, Florian Fainelli , Arnd Bergmann , Michael Ellerman , Pavel Tatashin , Matthew Wilcox , AKASHI Takahiro , Geert Uytterhoeven , Matthias Brugger , Catalin Marinas , Anthony Yznaga , Tobias Klauser , Laura Abbott , Fenghua Yu , Albert Ou , Kees Cook , Vasily Gorbik , Stephen Rothwell , Marc Zyngier , Will Deacon , linuxppc-dev@lists.ozlabs.org, Kristina Martsenko , linux-m68k@lists.linux-m68k.org, Dave Kleikamp , linux-mediatek@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Tony Luck , Greg Kroah-Hartman , Randy Dunlap , Oleg Nesterov , linux-kernel@vger.kernel.org, Miles Chen , Mike Rapoport , James Morse , Souptick Joarder , Johannes Weiner , Martin Schwidefsky , Andrew Morton , Logan Gunthorpe , Greg Hackmann Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Jan 14, 2019 at 01:58:54PM +0100, David Hildenbrand wrote: > Nothing major changed since the last version. I would be happy about > additional ACKs. If there are no further comments, can this go via the > mm-tree in one chunk? > > I was recently going over all users of PG_reserved. Short story: it is > difficult and sometimes not really clear if setting/checking for > PG_reserved is only a relict from the past. Easy to break things. I > guess I now have a pretty good idea wh things are like that > nowadays and how they evolved. Any reason you skipped drivers/gpu/drm/drm_pci.c:drm_pci_alloc() and drivers/gpu/drm/drm_scatter.c:drm_legacy_sg_alloc() which both look completely bogus as-is? In fact we should probably just try to kill them off as they have very few users left. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv