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Mon, 07 Dec 2020 07:14:49 -0500 X-MC-Unique: 8TjYEKcmNzeQSizoH8iGCA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3A1A2800D62; Mon, 7 Dec 2020 12:14:45 +0000 (UTC) Received: from [10.36.114.33] (ovpn-114-33.ams2.redhat.com [10.36.114.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id B7EBF60BE2; Mon, 7 Dec 2020 12:14:35 +0000 (UTC) Subject: Re: [PATCH v7 02/15] mm/memory_hotplug: Move {get,put}_page_bootmem() to bootmem_info.c To: Muchun Song , corbet@lwn.net, mike.kravetz@oracle.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, paulmck@kernel.org, mchehab+huawei@kernel.org, pawan.kumar.gupta@linux.intel.com, rdunlap@infradead.org, oneukum@suse.com, anshuman.khandual@arm.com, jroedel@suse.de, almasrymina@google.com, rientjes@google.com, willy@infradead.org, osalvador@suse.de, mhocko@suse.com, song.bao.hua@hisilicon.com Cc: duanxiongchun@bytedance.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org References: <20201130151838.11208-1-songmuchun@bytedance.com> <20201130151838.11208-3-songmuchun@bytedance.com> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: <3840b0eb-bc65-6ad4-9ef9-f6e1603d1473@redhat.com> Date: Mon, 7 Dec 2020 13:14:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201130151838.11208-3-songmuchun@bytedance.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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 30.11.20 16:18, Muchun Song wrote: > In the later patch, we will use {get,put}_page_bootmem() to initialize > the page for vmemmap or free vmemmap page to buddy. So move them out of > CONFIG_MEMORY_HOTPLUG_SPARSE. This is just code movement without any > functional change. > > Signed-off-by: Muchun Song > Acked-by: Mike Kravetz > Reviewed-by: Oscar Salvador > --- > arch/x86/mm/init_64.c | 2 +- > include/linux/bootmem_info.h | 13 +++++++++++++ > include/linux/memory_hotplug.h | 4 ---- > mm/bootmem_info.c | 25 +++++++++++++++++++++++++ > mm/memory_hotplug.c | 27 --------------------------- > mm/sparse.c | 1 + > 6 files changed, 40 insertions(+), 32 deletions(-) > I'd squash this into the previous patch and name it like "mm/memory_hotplug: Factor out bootmem core functions to bootmem_info.c" -- Thanks, David / dhildenb