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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 71D49C433E1 for ; Fri, 14 Aug 2020 23:23:04 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3230D20768 for ; Fri, 14 Aug 2020 23:23:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dEftcQ54"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="fAOOWOgb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3230D20768 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-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/xTED01x8oThj+IF4FQxgCXowAV3rCqaPkjibimTJDU=; b=dEftcQ549wDQjftOIVh00bpsw O/U99LxeST8w0ygZEEjNICksnq8js1yBq+pat2XRLTF/b/BA2hwmbX07Kh286WIi5ULJgoFmviO58 IoPFrxy8z6qgQAwPsPntljX4NSJS/N1Vx4Vz+UdMMtfKAfwVpUI8IZMTCRCWzjlMxG5bFS2+SAVB0 We54ETMXJnlA4reYAc3tavKaTCT/wjjWQ7crhMUK9/2yVOMhuf7+cz7OntbMgHOmcrdT6huLVSObe xv213LvoTOQlDwOXZhQTsqpKGVq/xx9/ViJw+8J24Gh/a8BAXdyWhkfsCZyCNBZRDsWM48xHVNpP0 ao7nnOP1A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k6j1I-0005xO-Bf; Fri, 14 Aug 2020 23:21:56 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k6j1G-0005x1-SJ; Fri, 14 Aug 2020 23:21:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=gcuzMKy5ca6nfpuGB7Mj7FbeflYqFCzDME2EUzPv4RI=; b=fAOOWOgbBBcaQyop3AF67ybOEX k/WF+pgpKGKLLKzbe7Ulx6Ps2XQvg8KHEStyZjDY9NPvQupoQrFENxvNiHJrEXtnvlGDDUcxy1Hyj XQLxy2PVel5XjaOyffpPuWnLysmtajdns/y4kJge3K1NOqDyk0EmYxCucuH0KGwYOq93fSKGR2n3r hSFZ36NXhNa4O7937jfUb3hG0bXZkcE2na7NvzfjDoV9YDkKDgrif4pPhgnyTq8LvLvE7ANflQpbA taeK74i9uBbRoIqgS7v6qkVtUqX9qrXlOIoFxcn/S+q8EUPAi1jZ4EhqobOVsVaOKHKzUHG4/pn35 1748qU+Q==; Received: from [2601:1c0:6280:3f0::19c2] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k6j19-0003gu-0n; Fri, 14 Aug 2020 23:21:53 +0000 Subject: Re: [RFC/RFT PATCH 6/6] riscv: Add numa support for riscv64 platform To: Atish Patra , linux-kernel@vger.kernel.org References: <20200814214725.28818-1-atish.patra@wdc.com> <20200814214725.28818-7-atish.patra@wdc.com> From: Randy Dunlap Message-ID: <0d5046a4-8b7e-6279-ccd2-e02b2a091139@infradead.org> Date: Fri, 14 Aug 2020 16:21:41 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200814214725.28818-7-atish.patra@wdc.com> Content-Language: en-US X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Rafael J. Wysocki" , Catalin Marinas , Zong Li , linux-riscv@lists.infradead.org, Will Deacon , linux-arch@vger.kernel.org, Rob Herring , Lorenzo Pieralisi , Ganapatrao Kulkarni , Steven Price , Greentime Hu , Albert Ou , Arnd Bergmann , Anshuman Khandual , Paul Walmsley , linux-arm-kernel@lists.infradead.org, Nick Hu , Greg Kroah-Hartman , Anup Patel , Palmer Dabbelt , Andrew Morton , Mike Rapoport Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/14/20 2:47 PM, Atish Patra wrote: > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > index 7b5905529146..4bd67f94aaac 100644 > --- a/arch/riscv/Kconfig > +++ b/arch/riscv/Kconfig > @@ -137,7 +137,7 @@ config PAGE_OFFSET > default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB > > config ARCH_FLATMEM_ENABLE > - def_bool y > + def_bool !NUMA > > config ARCH_SPARSEMEM_ENABLE > def_bool y > @@ -295,6 +295,35 @@ config TUNE_GENERIC > > endchoice > > +# Common NUMA Features > +config NUMA > + bool "Numa Memory Allocation and Scheduler Support" NUMA > + select GENERIC_ARCH_NUMA > + select OF_NUMA > + select ARCH_SUPPORTS_NUMA_BALANCING > + help > + Enable NUMA (Non-Uniform Memory Access) support. > + > + 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. > + > +config NODES_SHIFT > + int "Maximum NUMA Nodes (as a power of 2)" > + range 1 10 > + default "2" > + depends on NEED_MULTIPLE_NODES > + help > + Specify the maximum number of NUMA Nodes available on the target > + system. Increases memory reserved to accommodate various tables. > + > +config USE_PERCPU_NUMA_NODE_ID > + def_bool y > + depends on NUMA > + > +config NEED_PER_CPU_EMBED_FIRST_CHUNK > + def_bool y > + depends on NUMA > + > config RISCV_ISA_C > bool "Emit compressed instructions when building Linux" > default y thanks. -- ~Randy _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel