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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 E75E6C7619F for ; Mon, 17 Feb 2020 08:22:03 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C31B12067D for ; Mon, 17 Feb 2020 08:22:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C31B12067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 72DA010FC3373; Mon, 17 Feb 2020 00:25:20 -0800 (PST) Received-SPF: None (mailfrom) identity=mailfrom; client-ip=2a0a:51c0:0:12e:550::1; helo=galois.linutronix.de; envelope-from=tglx@linutronix.de; receiver= Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id EB66C10FC336D for ; Mon, 17 Feb 2020 00:25:16 -0800 (PST) Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1j3bex-0005rx-1D; Mon, 17 Feb 2020 09:21:43 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 616A9100617; Mon, 17 Feb 2020 09:21:42 +0100 (CET) From: Thomas Gleixner To: Dan Williams , linux-nvdimm@lists.01.org Subject: Re: [PATCH v5 4/6] x86/mm: Introduce CONFIG_NUMA_KEEP_MEMINFO In-Reply-To: <158188326422.894464.15742054998046628934.stgit@dwillia2-desk3.amr.corp.intel.com> References: <158188324272.894464.5941332130956525504.stgit@dwillia2-desk3.amr.corp.intel.com> <158188326422.894464.15742054998046628934.stgit@dwillia2-desk3.amr.corp.intel.com> Date: Mon, 17 Feb 2020 09:21:42 +0100 Message-ID: <871rqtr5d5.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Message-ID-Hash: VTD4VEJE7OWLPEEQAMVVPUIZPIAWZCNC X-Message-ID-Hash: VTD4VEJE7OWLPEEQAMVVPUIZPIAWZCNC X-MailFrom: tglx@linutronix.de X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, Andrew Morton , David Hildenbrand , Michal Hocko , Ingo Molnar , hch@lst.de, linux-kernel@vger.kernel.org X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit eviewed-by: Thomas Gleixner Dan Williams writes: > Currently x86 numa_meminfo is marked __initdata in the > CONFIG_MEMORY_HOTPLUG=n case. In support of a new facility to allow > drivers to map reserved memory to a 'target_node' > (phys_to_target_node()), add support for removing the __initdata > designation for those users. Both memory hotplug and > phys_to_target_node() users select CONFIG_NUMA_KEEP_MEMINFO to tell the > arch to maintain its physical address to NUMA mapping infrastructure > post init. > > Cc: Dave Hansen > Cc: Andy Lutomirski > Cc: Peter Zijlstra > Cc: Thomas Gleixner > Cc: Borislav Petkov > Cc: "H. Peter Anvin" > Cc: > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: Michal Hocko > Reviewed-by: Ingo Molnar > Signed-off-by: Dan Williams Reviewed-by: Thomas Gleixner _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org