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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 BC897C2D0D2 for ; Tue, 24 Dec 2019 16:02:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 94670206D3 for ; Tue, 24 Dec 2019 16:02:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IaPGZqLx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94670206D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:To: Subject:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YWsnGUwLQy1fCYTio28U1e+bq8tf4RG5vs287No2BFM=; b=IaPGZqLxjskBamo1MuWN7ih0P5 O3wz0p8xTdHefWDsMwWSrcUiX0+xK1Xpdn1UMYrf8qb9vDCFIum8fo5wf/SW2hVKPDig8Kan7U3ig xTwi3TD4D8ay0N3RYcX96Q0I596AoHZYbkXQwXMjJSg6oFlGg+GjjThvTYugIGAS9/+OG9b6MwciI NMG2qcS9AmSGaxuQ2YHwfRLmsAWF48A1DmK1joJ/EF05iDWipy11tvZ7zi3Y9SpXDpzaBAiuTRp71 TXR5uIqX9izaFF9BVX3FRB/QbW+Rs7ATQikL2v/O7RAANQoXzQjBDEGkWEtA1r54PGmtvyvTUlufn XZx34HCQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijmdx-0007JA-Gb; Tue, 24 Dec 2019 16:02:45 +0000 Received: from [2601:1c0:6280:3f0::fee9] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijmdv-0007Iu-Ly; Tue, 24 Dec 2019 16:02:43 +0000 Subject: Re: [RFC PATCH] riscv: Add numa support for riscv64 platform To: Greentime Hu , green.hu@gmail.com, greentime@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <20191224085544.24960-1-greentime.hu@sifive.com> From: Randy Dunlap Message-ID: <5762c1c1-4078-0647-27fe-6d28f6bc8e9a@infradead.org> Date: Tue, 24 Dec 2019 08:02:42 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191224085544.24960-1-greentime.hu@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On 12/24/19 12:55 AM, Greentime Hu wrote: > +# Common NUMA Features > +config NUMA > + bool "Numa Memory Allocation and Scheduler Support" > + select OF_NUMA > + select ARCH_SUPPORTS_NUMA_BALANCING > + depends on SPARSEMEM > + help > + Enable NUMA (Non Uniform Memory Access) support. (Non-Uniform Memory Access) please. > + > + The kernel will try to allocate memory used by a CPU on the > + local memory of the CPU and add some more > + NUMA awareness to the kernel. > + -- ~Randy