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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE73CECAAD3 for ; Wed, 14 Sep 2022 13:21:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 088596B0071; Wed, 14 Sep 2022 09:21:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 037F76B0073; Wed, 14 Sep 2022 09:21:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E414F8D0001; Wed, 14 Sep 2022 09:21:50 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id D01936B0071 for ; Wed, 14 Sep 2022 09:21:50 -0400 (EDT) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 981D8A08DB for ; Wed, 14 Sep 2022 13:21:50 +0000 (UTC) X-FDA: 79910753580.11.FC11C9C Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf14.hostedemail.com (Postfix) with ESMTP id 25D921000AC for ; Wed, 14 Sep 2022 13:21:50 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3708961D0D for ; Wed, 14 Sep 2022 13:21:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C42AC433D6 for ; Wed, 14 Sep 2022 13:21:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663161708; bh=5eg3+MDl9mj9XaKfqXdunaBWCFhVKFc0lhc1VADdGlQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=FWXEV8WnGTdRrLLaMtyLBrJtd4qiZxrpFQPRGUMUdRLW9kel7MPnkqY6MSMv+D7ob sfXvnnqutaViWOByzSqMJ1c1dMTydUKO1zli5VvYQbl5uBybwQLLF4o8aCgcTywTyb Kd47vNFcAzqE22tjmz+QtlCaVZDBKmWJmbhWXDY4MKSnabRTefKzsUtop//HEGo2aX wXNsyr5q1fbTmpB0DKu4ECvAENSU7K5jZP3Q3s+DuyB9g7tc5mStz62hzJSYEFb2r4 W6uFAdchOqlMmycXoXc3nULcFaHPQLb35mwKzh76YZPAdjjSVY3zEvznG0DD1sIERF RD/6y26D7QT2A== Received: by mail-qv1-f47.google.com with SMTP id l14so3224502qvq.8 for ; Wed, 14 Sep 2022 06:21:48 -0700 (PDT) X-Gm-Message-State: ACgBeo3epnDNV65BNqYK09nVz6lg2jNusLA3qVbByEPK5rioF7v6UGBS KNScE8kP8xGO6P3/M2t+g3ccD4YVvTfRmbHoiA== X-Google-Smtp-Source: AA6agR56jMVfRX3RtWINn1f1vrMILDJRHWk9UzHiBvWRHbJ6w8oCSCG8tGKMh7eB+FbUCGbrLkT5kxjkTYjpwJ7X9+I= X-Received: by 2002:a05:6102:3353:b0:38c:9170:a96b with SMTP id j19-20020a056102335300b0038c9170a96bmr12924355vse.26.1663161697076; Wed, 14 Sep 2022 06:21:37 -0700 (PDT) MIME-Version: 1.0 References: <20220913195508.3511038-1-opendmb@gmail.com> In-Reply-To: <20220913195508.3511038-1-opendmb@gmail.com> From: Rob Herring Date: Wed, 14 Sep 2022 08:21:25 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 00/21] mm: introduce Designated Movable Blocks To: Doug Berger Cc: Andrew Morton , Jonathan Corbet , Krzysztof Kozlowski , Frank Rowand , Mike Kravetz , Muchun Song , Mike Rapoport , Christoph Hellwig , Marek Szyprowski , Robin Murphy , Borislav Petkov , "Paul E. McKenney" , Neeraj Upadhyay , Randy Dunlap , Damien Le Moal , Florian Fainelli , David Hildenbrand , Zi Yan , Oscar Salvador , Hari Bathini , Kees Cook , - , KOSAKI Motohiro , Mel Gorman , Linux Doc Mailing List , "linux-kernel@vger.kernel.org" , devicetree@vger.kernel.org, linux-mm , iommu@lists.linux.dev Content-Type: text/plain; charset="UTF-8" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1663161710; a=rsa-sha256; cv=none; b=xwUUNJTf58JLMIxKo231jYdXO7TVMpBUk+bxvoovde1D8jVj0r2oBJvLNTK1dvLaGAdsoP p4lECLcfPP65GCroPrhdiMSnk0frp/OdSk6AAOSbYzAh6EUF4y++mGatMQNblNG+gIKfx5 B1eXWQe5EUBhHHSBqTi5q4R6MbvfKx0= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=FWXEV8Wn; spf=pass (imf14.hostedemail.com: domain of robh+dt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=robh+dt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1663161710; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=5eg3+MDl9mj9XaKfqXdunaBWCFhVKFc0lhc1VADdGlQ=; b=49fHfivQp7jcICGbSHFIPP7lzvtW4l4Bz7f8Q/GsLUIYCM/ymYOjkx1N9mcfeRlFp1tHJ3 gNWd2ZnejbOHDNcT3/m/5LmYTEvKh8QG9DY3AJVy1GZnhk0epoGeUhn8+kLjdr6R/Cv8Uv fhAug/nnkWu4JICqz1DFQLel7h6qmaU= X-Rspam-User: Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=FWXEV8Wn; spf=pass (imf14.hostedemail.com: domain of robh+dt@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=robh+dt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam02 X-Stat-Signature: cfbbiha19ijdxierawshwjpq9z5z5ha9 X-Rspamd-Queue-Id: 25D921000AC X-HE-Tag: 1663161710-254960 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 Tue, Sep 13, 2022 at 2:57 PM Doug Berger wrote: > > MOTIVATION: > Some Broadcom devices (e.g. 7445, 7278) contain multiple memory > controllers with each mapped in a different address range within > a Uniform Memory Architecture. Some users of these systems have > expressed the desire to locate ZONE_MOVABLE memory on each > memory controller to allow user space intensive processing to > make better use of the additional memory bandwidth. > Unfortunately, the historical monotonic layout of zones would > mean that if the lowest addressed memory controller contains > ZONE_MOVABLE memory then all of the memory available from > memory controllers at higher addresses must also be in the > ZONE_MOVABLE zone. This would force all kernel memory accesses > onto the lowest addressed memory controller and significantly > reduce the amount of memory available for non-movable > allocations. Why are you sending kernel patches to the Devicetree specification list? Rob