From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754732Ab0ETRkr (ORCPT ); Thu, 20 May 2010 13:40:47 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:38758 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752613Ab0ETRkp (ORCPT ); Thu, 20 May 2010 13:40:45 -0400 Date: Thu, 20 May 2010 10:38:51 -0700 From: Randy Dunlap To: "Frank A. Kingswood" Cc: linux-kernel@vger.kernel.org Subject: Re: NR_CPUS configuration option wrong Message-Id: <20100520103851.8e051a3f.randy.dunlap@oracle.com> In-Reply-To: References: Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.7.1 (GTK+ 2.16.6; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Auth-Type: Internal IP X-Source-IP: acsinet15.oracle.com [141.146.126.227] X-CT-RefId: str=0001.0A090208.4BF57419.00AE:SCFMA922111,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 20 May 2010 18:34:32 +0100 Frank A. Kingswood wrote: > Hi! > > The configuration MAXSMP help text indicates it is used to enable > configuration of number of CPUs. However, NR_CPUS depends on !MAXSMP. > > arch/x86/Kconfig: > 758 config NR_CPUS > 759 int "Maximum number of CPUs" if SMP && !MAXSMP That line depends on !MAXSMP. Then below there, we find: default "4096" if MAXSMP OK? --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***