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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 BA086C4708F for ; Tue, 1 Jun 2021 13:44:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 25A70613AE for ; Tue, 1 Jun 2021 13:44:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25A70613AE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 950476B006C; Tue, 1 Jun 2021 09:44:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 900446B0070; Tue, 1 Jun 2021 09:44:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7A0E86B0073; Tue, 1 Jun 2021 09:44:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0041.hostedemail.com [216.40.44.41]) by kanga.kvack.org (Postfix) with ESMTP id 45CDE6B006C for ; Tue, 1 Jun 2021 09:44:41 -0400 (EDT) Received: from smtpin32.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id D6B6D180AD802 for ; Tue, 1 Jun 2021 13:44:40 +0000 (UTC) X-FDA: 78205275120.32.EFE64B5 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) by imf09.hostedemail.com (Postfix) with ESMTP id 612186000572 for ; Tue, 1 Jun 2021 13:44:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=rggE9c9jPClwMN2X8gbCPefstnu44+7rkOqQHsvCaqY=; b=Ja79jS70YoAJsu+15UKjw295C rS1Xu2kgPjWmCUgzmyCEv3/Xh6H7DHwnYCAnhiXz2Gz/5BhvwG7y7DAY7DLFZWR8mIg+LHWApYR/6 RPZy5sBIg0a7UpxThUigANBRcMG2SJSvSBAeL7vEmlksKJvIqbYpQjqvpljcADLWVqEp4iNarIHxN 76ARqzlh9WTujtDTz34LYT9+JxY8mQ4oNl9+kB0e0Ng1q3WP+vT5ipFCBIalHe3Z9pidvnoasNbaF J2+oN/tfVjHXAlyODBslqJEb+dkwcukc689ywesw2Wae6vWAgw/EXiY81s/EFcig+nGX2rrekns3A GY56DLZew==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:44576) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lo4h5-00048n-7n; Tue, 01 Jun 2021 14:44:31 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1lo4h3-0000AG-LT; Tue, 01 Jun 2021 14:44:29 +0100 Date: Tue, 1 Jun 2021 14:44:29 +0100 From: "Russell King (Oracle)" To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Andrew Morton , Catalin Marinas , Christian Borntraeger , David Hildenbrand , Heiko Carstens , Mike Rapoport , Thomas Bogendoerfer , Vasily Gorbik , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org Subject: Re: [RFC/RFT PATCH 0/5] consolidate "System RAM" resources setup Message-ID: <20210601134429.GY30436@shell.armlinux.org.uk> References: <20210531122959.23499-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210531122959.23499-1-rppt@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=armlinux.org.uk header.s=pandora-2019 header.b=Ja79jS70; dmarc=pass (policy=none) header.from=armlinux.org.uk; spf=none (imf09.hostedemail.com: domain of linux@armlinux.org.uk has no SPF policy when checking 78.32.30.218) smtp.mailfrom=linux@armlinux.org.uk X-Stat-Signature: 5h47hdg8q7dxghfifbma5z7bwwnsnoi4 X-Rspamd-Queue-Id: 612186000572 X-Rspamd-Server: rspam02 X-HE-Tag: 1622555073-181673 X-Bogosity: Ham, tests=bogofilter, spamicity=0.155790, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, May 31, 2021 at 03:29:54PM +0300, Mike Rapoport wrote: > * arm has "System RAM (boot alias)" that do not seem useful for any other > architecture This is VERY important for kexec and must _not_ be removed, since you will be causing a userspace regression by doing so. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!