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Fri, 5 Mar 2021 15:32:08 +0000 (UTC) Subject: Re: [PATCH v3 4/5] x86/Kconfig: Introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE To: Oscar Salvador , Andrew Morton Cc: Michal Hocko , Anshuman Khandual , Vlastimil Babka , Pavel Tatashin , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20210304100002.7740-1-osalvador@suse.de> <20210304100002.7740-5-osalvador@suse.de> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: Date: Fri, 5 Mar 2021 16:32:07 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210304100002.7740-5-osalvador@suse.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 861A82383 X-Stat-Signature: jfg9k8kbmqmfkkp755cdxibhhwka94yn Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf04; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=63.128.21.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614958334-163011 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 04.03.21 11:00, Oscar Salvador wrote: > Enable x86_64 platform to use the MHP_MEMMAP_ON_MEMORY feature. > > Signed-off-by: Oscar Salvador > --- > arch/x86/Kconfig | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 2792879d398e..6d716d8bce1e 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -2433,6 +2433,10 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE > def_bool y > depends on MEMORY_HOTPLUG > > +config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE > + def_bool y > + depends on X86_64 && MEMORY_HOTPLUG Was wondering if the MEMORY_HOTPLUG would also best be part of the generic MHP_MEMMAP_ON_MEMORY. Apart from that Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb