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[209.132.183.28]) by mx.google.com with ESMTPS id j30si229715qta.109.2019.05.13.01.22.17 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 May 2019 01:22:17 -0700 (PDT) Received-SPF: pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; Authentication-Results: mx.google.com; spf=pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 545A33082E24; Mon, 13 May 2019 08:22:16 +0000 (UTC) Received: from [10.36.117.84] (ovpn-117-84.ams2.redhat.com [10.36.117.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6E67017500; Mon, 13 May 2019 08:22:12 +0000 (UTC) Subject: Re: [PATCH V2 0/2] arm64/mm: Enable memory hot remove To: Anshuman Khandual , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, akpm@linux-foundation.org, will.deacon@arm.com, catalin.marinas@arm.com Cc: mhocko@suse.com, mgorman@techsingularity.net, james.morse@arm.com, mark.rutland@arm.com, robin.murphy@arm.com, cpandya@codeaurora.org, arunks@codeaurora.org, dan.j.williams@intel.com, osalvador@suse.de, cai@lca.pw, logang@deltatee.com, ira.weiny@intel.com References: <1555221553-18845-1-git-send-email-anshuman.khandual@arm.com> From: David Hildenbrand Openpgp: preference=signencrypt Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1555221553-18845-1-git-send-email-anshuman.khandual@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Mon, 13 May 2019 08:22:16 +0000 (UTC) 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 14.04.19 07:59, Anshuman Khandual wrote: > This series enables memory hot remove on arm64 after fixing a memblock > removal ordering problem in generic __remove_memory(). This is based > on the following arm64 working tree. > > git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core > > Testing: > > Tested hot remove on arm64 for all 4K, 16K, 64K page config options with > all possible VA_BITS and PGTABLE_LEVELS combinations. Build tested on non > arm64 platforms. > > Changes in V2: > > - Added all received review and ack tags > - Split the series from ZONE_DEVICE enablement for better review > > - Moved memblock re-order patch to the front as per Robin Murphy > - Updated commit message on memblock re-order patch per Michal Hocko > > - Dropped [pmd|pud]_large() definitions > - Used existing [pmd|pud]_sect() instead of earlier [pmd|pud]_large() > - Removed __meminit and __ref tags as per Oscar Salvador > - Dropped unnecessary 'ret' init in arch_add_memory() per Robin Murphy > - Skipped calling into pgtable_page_dtor() for linear mapping page table > pages and updated all relevant functions > > Changes in V1: (https://lkml.org/lkml/2019/4/3/28) > > Anshuman Khandual (2): > mm/hotplug: Reorder arch_remove_memory() call in __remove_memory() > arm64/mm: Enable memory hot remove > > arch/arm64/Kconfig | 3 + > arch/arm64/include/asm/pgtable.h | 2 + > arch/arm64/mm/mmu.c | 221 ++++++++++++++++++++++++++++++++++++++- > mm/memory_hotplug.c | 3 +- > 4 files changed, 225 insertions(+), 4 deletions(-) > What's the progress of this series? I'll need arch_remove_memory() for the series [PATCH v2 0/8] mm/memory_hotplug: Factor out memory block device handling -- Thanks, David / dhildenb