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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,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 2CF1FC31E45 for ; Thu, 13 Jun 2019 16:46:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1027E20673 for ; Thu, 13 Jun 2019 16:46:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392699AbfFMQqN (ORCPT ); Thu, 13 Jun 2019 12:46:13 -0400 Received: from foss.arm.com ([217.140.110.172]:34580 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730311AbfFMFhQ (ORCPT ); Thu, 13 Jun 2019 01:37:16 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3C1A428; Wed, 12 Jun 2019 22:37:15 -0700 (PDT) Received: from [10.162.40.191] (p8cg001049571a15.blr.arm.com [10.162.40.191]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id AB5673F73C; Wed, 12 Jun 2019 22:37:11 -0700 (PDT) Subject: Re: [PATCH V5 - Rebased] mm/hotplug: Reorder memblock_[free|remove]() calls in try_remove_memory() To: Andrew Morton , David Hildenbrand Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, ard.biesheuvel@arm.com, osalvador@suse.de, mhocko@suse.com, mark.rutland@arm.com References: <36e0126f-e2d1-239c-71f3-91125a49e019@redhat.com> <1560252373-3230-1-git-send-email-anshuman.khandual@arm.com> <20190611151908.cdd6b73fd17fda09b1b3b65b@linux-foundation.org> <5b4f1f19-2f8d-9b8f-4240-7b728952b6fe@arm.com> <67f5c5ad-d753-77d8-8746-96cf4746b3e0@redhat.com> <20190612185450.73841b9f5af3a4189de6f910@linux-foundation.org> From: Anshuman Khandual Message-ID: <92ce901d-42dc-6872-1ff0-0ca13d5cefbe@arm.com> Date: Thu, 13 Jun 2019 11:07:30 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190612185450.73841b9f5af3a4189de6f910@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/13/2019 07:24 AM, Andrew Morton wrote: > On Wed, 12 Jun 2019 08:53:33 +0200 David Hildenbrand wrote: > >>>>> ... >>>>> >>>>> >>>>> - Rebased on linux-next (next-20190611) >>>> >>>> Yet the patch you've prepared is designed for 5.3. Was that >>>> deliberate, or should we be targeting earlier kernels? >>> >>> It was deliberate for 5.3 as a preparation for upcoming reworked arm64 hot-remove. >>> >> >> We should probably add to the patch description something like "This is >> a preparation for arm64 memory hotremove. The described issue is not >> relevant on other architectures." > > Please. And is there any reason to merge it separately? Can it be > [patch 1/3] in the "arm64/mm: Enable memory hot remove" series? Sure it can be. I will make this [patch 1/3] in the next version for "arm64/mm: Enable memory hot remove". Apologies for the noise here.