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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 23E82C04EB9 for ; Wed, 5 Dec 2018 13:04:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D9FDC2081B for ; Wed, 5 Dec 2018 13:04:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D9FDC2081B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727814AbeLENEs (ORCPT ); Wed, 5 Dec 2018 08:04:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46872 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726937AbeLENEq (ORCPT ); Wed, 5 Dec 2018 08:04:46 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7B1DDC0586D3; Wed, 5 Dec 2018 13:04:44 +0000 (UTC) Received: from [10.36.116.18] (ovpn-116-18.ams2.redhat.com [10.36.116.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6D9095D70A; Wed, 5 Dec 2018 13:04:22 +0000 (UTC) Subject: Re: [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation To: Michal Hocko Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-m68k@lists.linux-m68k.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-mediatek@lists.infradead.org, Albert Ou , Alexander Duyck , Andrew Morton , Anthony Yznaga , Arnd Bergmann , Benjamin Herrenschmidt , Bhupesh Sharma , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Kleikamp , David Airlie , Geert Uytterhoeven , Greg Kroah-Hartman , Heiko Carstens , James Morse , Kees Cook , Marc Zyngier , Mark Rutland , Martin Schwidefsky , Matthew Wilcox , Michael Ellerman , Mike Rapoport , Miles Chen , Palmer Dabbelt , Paul Mackerras , Pavel Tatashin , Souptick Joarder , Stephen Rothwell , Tobias Klauser , Vasily Gorbik , Will Deacon References: <20181205122851.5891-1-david@redhat.com> <20181205125607.GM1286@dhcp22.suse.cz> From: David Hildenbrand Openpgp: preference=signencrypt Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <20181205125607.GM1286@dhcp22.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 05 Dec 2018 13:04:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05.12.18 13:56, Michal Hocko wrote: > On Wed 05-12-18 13:28:44, David Hildenbrand wrote: > [...] >> Most notably, for device memory we can hopefully soon stop setting >> it PG_reserved > > I am busy as hell so I am not likely to look at specific patche this > week. But could you be more specific why we need to get rid of other > PG_reserved users before we can do so for device memory? > No worries, this has time. For device memory, nothing should really be needed. I am only collecting and docuumenting users and this is one user soon to go (eventually) :) > I am all for removing relicts because they just confuse people but I > fail to see any relation here. > It's really only "why is this patch set not bigger", nothing related to device memory actually :) -- Thanks, David / dhildenb