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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 797FFC47082 for ; Sat, 29 May 2021 22:57:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B16F6100B for ; Sat, 29 May 2021 22:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229585AbhE2Wqm (ORCPT ); Sat, 29 May 2021 18:46:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229503AbhE2Wqk (ORCPT ); Sat, 29 May 2021 18:46:40 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB7DEC06174A for ; Sat, 29 May 2021 15:45:03 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id v12so3331106plo.10 for ; Sat, 29 May 2021 15:45:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dabbelt-com.20150623.gappssmtp.com; s=20150623; h=date:subject:in-reply-to:cc:from:to:message-id:mime-version :content-transfer-encoding; bh=fi0vV/kF+CsBKSccmeD5rhECNTR0UPRdkNUxlQCOu6o=; b=i6A/A7Wom+6pM1tUHC83JTgbW35vAvfXx8K69AJbPi1Hu/Vb0nH15InB2zoG8ZDzdQ wyTBY3U0HJRoTiWmeiELkZo8IlIEQpbtxhPLlDwbwTu5KrE2OZK6I9i4TquPmiDzLKaZ lWaUa6IiJZ4IdVi4mMrObXbQxU+uFt/0xoo6VREZafKrAi8RhlSA2l/0g0f1E7BQprVc LUBKUKXZVmPO42ZwXG36UdQdpYQDxr//afSU5dtEAOqeLHHGSGBSksTq3rke61+tSSdV TJUFnuj/q+8xLHDGp7pIK7VmhyuBz6JN3dgmiB2eMZZ8ib50W6AoMcDGRzX/zruYiNmO qKkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:subject:in-reply-to:cc:from:to:message-id :mime-version:content-transfer-encoding; bh=fi0vV/kF+CsBKSccmeD5rhECNTR0UPRdkNUxlQCOu6o=; b=WiUgSNkob8l2VhXjRHzUFuMK0Xk6mkZKsoG9OqZX0yDLwmN4mtUFPtRyifiSmgozHZ 4bdqqWCCXgBkqvT5+7YCPjoKtxNcbFLBUomNdD9yiUZLfpAT1nI6N0jpoIP2OAFlpRCo mi5ilPj5sOEKF7eJsaxYLC40gAnNx//k/yOqqftNS5dWNYxnSsfq5LnzOEufHaZQc5mT 93yjVeqSzKoX6TBYOyyVYLDZpSSZLpkg8cGoXcLzkm96f+Rj7ZGhzajgX31n1QV77XS0 jf310doHUcwKDMrlX1gU+qHclZ86tarSqemTy2v4zyW02jp+2KITofFq3JmkkcX32Opt 0bbQ== X-Gm-Message-State: AOAM532+MbjYzKbLcyO7/oJtL4Pa8zk9Tv5tqunvmVkSMQG7dAYinmRI Aom70PavGznJwGjAwLtcMNbkxw== X-Google-Smtp-Source: ABdhPJxEkcHSt/r0RUtDB7tfrUNpUFiVQ7CCqmPtNOJYrpOwquBntTt3/OkdihRXgW+frUet54s5gQ== X-Received: by 2002:a17:90a:9411:: with SMTP id r17mr11310055pjo.49.1622328303013; Sat, 29 May 2021 15:45:03 -0700 (PDT) Received: from localhost (76-210-143-223.lightspeed.sntcca.sbcglobal.net. [76.210.143.223]) by smtp.gmail.com with ESMTPSA id m24sm7313476pfa.125.2021.05.29.15.45.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 May 2021 15:45:02 -0700 (PDT) Date: Sat, 29 May 2021 15:45:02 -0700 (PDT) X-Google-Original-Date: Sat, 29 May 2021 15:37:56 PDT (-0700) Subject: Re: [PATCH] docs: kernel-parameters: mark numa=off is supported by a bundle of architectures In-Reply-To: <20210524051715.13604-1-song.bao.hua@hisilicon.com> CC: corbet@lwn.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Paul Walmsley , aou@eecs.berkeley.edu, will@kernel.org, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, linuxppc-dev@lists.ozlabs.org, song.bao.hua@hisilicon.com From: Palmer Dabbelt To: song.bao.hua@hisilicon.com Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 23 May 2021 22:17:15 PDT (-0700), song.bao.hua@hisilicon.com wrote: > risc-v and arm64 support numa=off by common arch_numa_init() > in drivers/base/arch_numa.c. x86, ppc, mips, sparc support it > by arch-level early_param. > numa=off is widely used in linux distributions. it is better > to document it. > > Signed-off-by: Barry Song > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index cb89dbdedc46..a388fbdaa2ec 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -3513,6 +3513,9 @@ > > nr_uarts= [SERIAL] maximum number of UARTs to be registered. > > + numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only > + set up a single NUMA node spanning all memory. > + > numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic > NUMA balancing. > Allowed values are enable and disable Acked-by: Palmer Dabbelt Thanks!