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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 17B56C33CAA for ; Tue, 21 Jan 2020 15:18:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A967424125 for ; Tue, 21 Jan 2020 15:18:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="f+U0QlGv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A967424125 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 34ABF6B0007; Tue, 21 Jan 2020 10:18:32 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2D47F6B0008; Tue, 21 Jan 2020 10:18:32 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1C4086B000A; Tue, 21 Jan 2020 10:18:32 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0088.hostedemail.com [216.40.44.88]) by kanga.kvack.org (Postfix) with ESMTP id 006DE6B0007 for ; Tue, 21 Jan 2020 10:18:31 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id A9FAE37F1 for ; Tue, 21 Jan 2020 15:18:31 +0000 (UTC) X-FDA: 76401998022.23.walk90_849f0aa571e5f X-HE-Tag: walk90_849f0aa571e5f X-Filterd-Recvd-Size: 2505 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Tue, 21 Jan 2020 15:18:31 +0000 (UTC) Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C7C3921569; Tue, 21 Jan 2020 15:18:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579619910; bh=CtK3JLf0Ca51+J8hJt7LWVIKavo/FjuD+bA7WxkQPnM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=f+U0QlGv/bdGpsxGtHX1GaxiJvKWSpeobAKeO03bfnKHEAbFOkkRQKadJqUtcPmBR /6WJ2ikdWHpJmjl+WJ4ot+roUJiQo6RWpMQygypOZGHASvlgpP6GW+Qi0nfKc4L6VU k8qJBdBdmJyshGMhVQZG6jcP19F0rzd0ruFm9qCk= Date: Tue, 21 Jan 2020 15:18:23 +0000 From: Will Deacon To: Anshuman Khandual Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org, catalin.marinas@arm.com, mark.rutland@arm.com, david@redhat.com, cai@lca.pw, logang@deltatee.com, cpandya@codeaurora.org, arunks@codeaurora.org, dan.j.williams@intel.com, mgorman@techsingularity.net, osalvador@suse.de, ard.biesheuvel@arm.com, steve.capper@arm.com, broonie@kernel.org, valentin.schneider@arm.com, Robin.Murphy@arm.com, steven.price@arm.com, suzuki.poulose@arm.com, ira.weiny@intel.com Subject: Re: [PATCH V12 0/2] arm64/mm: Enable memory hot remove Message-ID: <20200121151822.GA13306@willie-the-truck> References: <1579157135-10360-1-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1579157135-10360-1-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000826, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jan 16, 2020 at 12:15:33PM +0530, Anshuman Khandual wrote: > This series enables memory hot remove functionality on arm64 platform. This > is based on Linux 5.5-rc6 and particularly deals with a problem caused when > boot memory is attempted to be removed. Unfortunately, this results in a conflict with mainline since the arm64 -next branches are based on -rc3 and there was a fix merged after that (feee6b298916 ("mm/memory_hotplug: shrink zones when offlining memory")) which changes the type of __remove_pages(). So I think I'll leave this for 5.7. Will