Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755955AbYF3HK6 (ORCPT ); Mon, 30 Jun 2008 03:10:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751871AbYF3HKr (ORCPT ); Mon, 30 Jun 2008 03:10:47 -0400 Received: from wx-out-0506.google.com ([66.249.82.228]:14830 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751733AbYF3HKr (ORCPT ); Mon, 30 Jun 2008 03:10:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=i3rOKFNHGkTpzSEZtMAa/iA9wVs9lrTbDvkbv90+kokERZJig1ZjseVwGRQd04sRVf 4We7kaoH0UFw2p6uaIHfIHqIXk5Nst93+3krxiXNxTLJ+zsvSbtklANwsrUxBsZmqxfB mnu+kOhmw8CTteuL3+ryantLxyrloTUgoOr9g= Message-ID: Date: Mon, 30 Jun 2008 09:10:44 +0200 From: "Michael Kerrisk" To: "Li Zefan" Subject: Re: [PATCH] doc: Document the relax_domain_level kernel boot argument Cc: "Paul Jackson" , "Andrew Morton" , Lee.Schermerhorn@hp.com, "Hidetoshi Seto" , linux-kernel@vger.kernel.org, rientjes@google.com In-Reply-To: <48687871.3040407@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080630045640.20308.22031.sendpatchset@polaris-admin.engr.sgi.com> <48687871.3040407@cn.fujitsu.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2501 Lines: 65 On Mon, Jun 30, 2008 at 8:08 AM, Li Zefan wrote: > Paul Jackson wrote: >> From: Paul Jackson >> >> Document the kernel boot parameter: relax_domain_level=. >> >> Signed-off-by: Paul Jackson >> >> --- >> Documentation/cpusets.txt | 3 +++ >> Documentation/kernel-parameters.txt | 4 ++++ >> 2 files changed, 7 insertions(+) >> >> --- 2.6.26-rc5-mm3.orig/Documentation/cpusets.txt 2008-06-27 06:55:34.000000000 -0700 >> +++ 2.6.26-rc5-mm3/Documentation/cpusets.txt 2008-06-29 21:49:53.984674621 -0700 >> @@ -546,6 +546,9 @@ otherwise initial value -1 that indicate >> ( 4 : search nodes in a chunk of node [on NUMA system] ) >> ( 5~ : search system wide [on NUMA system]) >> >> +The system default is 0 (no search). The system default can be >> +changed using the relax_domain_level= boot parameter. >> + >> This file is per-cpuset and affect the sched domain where the cpuset >> belongs to. Therefore if the flag 'sched_load_balance' of a cpuset >> is disabled, then 'sched_relax_domain_level' have no effect since >> --- 2.6.26-rc5-mm3.orig/Documentation/kernel-parameters.txt 2008-06-27 06:28:26.000000000 -0700 >> +++ 2.6.26-rc5-mm3/Documentation/kernel-parameters.txt 2008-06-29 21:51:10.477997208 -0700 >> @@ -1732,6 +1732,10 @@ and is between 256 and 4096 characters. >> Format: [,[,...]] >> See arch/*/kernel/reboot.c or arch/*/kernel/process.c >> >> + relax_domain_level= >> + [KNL, SMP] Set schedulers default relax_domain_level. >> + See Documentation/cpusets.txt. >> + > > is [KNL,SMP] more consistent ? > > and s/schedulers/scheduler's/ > > but maybe I'm wrong due to my English skill. You are right. (Paul doesn't like apostrophes ;-).) >> reserve= [KNL,BUGS] Force the kernel to ignore some iomem area >> >> reservetop= [X86-32] >> > > Reviewed-by: Li Zefan > > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/