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=-0.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 C5892C31E45 for ; Thu, 13 Jun 2019 16:56:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9076A2080A for ; Thu, 13 Jun 2019 16:56:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560444962; bh=GXivTwKQk8Y+X5xE03CN8fthnLjjz3AlLtUYgE6QieY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=xsMZQ+YYODIsgKV0ixnvM8d97fZroc0wUQ+/dJldbqkHGSsmzMgocqSFOQ8izdHUI a780542NXf+PkpJ4736pVBhdtMTQv9xtb+DqwUf2immypZ2CpoThIhot+Ql6FCg79T rYqGaHZ0PpntY7AD32L9qiqT8jka5+6u0weWxpV8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393087AbfFMQ4B (ORCPT ); Thu, 13 Jun 2019 12:56:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:45246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729985AbfFMByv (ORCPT ); Wed, 12 Jun 2019 21:54:51 -0400 Received: from localhost.localdomain (c-73-223-200-170.hsd1.ca.comcast.net [73.223.200.170]) (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 A68BF208CA; Thu, 13 Jun 2019 01:54:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560390891; bh=GXivTwKQk8Y+X5xE03CN8fthnLjjz3AlLtUYgE6QieY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=r8JdgWt24mLYxAVnydiRtAdlx+xRwCOlsBeGXcMQy1oJV3B/cDxN+OnDejmpSyIV6 RcIibyipNA+YGPuxHDsGF+U/AKFps7DbsQDuq1Fpc/BUfIrexokv2IP71eCmwXk283 fI0rscTQw/skUc8NwPguKxlABRXZDgasoljgBWxA= Date: Wed, 12 Jun 2019 18:54:50 -0700 From: Andrew Morton To: David Hildenbrand Cc: Anshuman Khandual , 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 Subject: Re: [PATCH V5 - Rebased] mm/hotplug: Reorder memblock_[free|remove]() calls in try_remove_memory() Message-Id: <20190612185450.73841b9f5af3a4189de6f910@linux-foundation.org> In-Reply-To: <67f5c5ad-d753-77d8-8746-96cf4746b3e0@redhat.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> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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?