From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756071AbbFOOnh (ORCPT ); Mon, 15 Jun 2015 10:43:37 -0400 Received: from mail.skyhub.de ([78.46.96.112]:60977 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754213AbbFOOn2 (ORCPT ); Mon, 15 Jun 2015 10:43:28 -0400 Date: Mon, 15 Jun 2015 16:43:21 +0200 From: Borislav Petkov To: Sergey Senozhatsky Cc: Peter Zijlstra , Andrew Morton , Tejun Heo , "David S. Miller" , Amir Vadai , linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: Re: [PATCH resend] cpumask: don't perform while loop in cpumask_next_and() Message-ID: <20150615144321.GI4255@pd.tnic> References: <1425223323-20180-1-git-send-email-sergey.senozhatsky@gmail.com> <20150615131221.GA12596@twins.programming.kicks-ass.net> <20150615134008.GA4447@pd.tnic> <20150615143352.GB538@swordfish> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20150615143352.GB538@swordfish> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 15, 2015 at 11:33:52PM +0900, Sergey Senozhatsky wrote: > Oh, wow, 8K cpus... Standard CONFIG_MAXSMP setting. I believe distros set that. At least SLES on x86_64 does and I'd bet RHEL does that too. config NR_CPUS int "Maximum number of CPUs" if SMP && !MAXSMP range 2 8 if SMP && X86_32 && !X86_BIGSMP range 2 512 if SMP && !MAXSMP && !CPUMASK_OFFSTACK range 2 8192 if SMP && !MAXSMP && CPUMASK_OFFSTACK && X86_64 default "1" if !SMP default "8192" if MAXSMP ^^^^^^ -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --