Message-ID: <48688DDE.9060802@jp.fujitsu.com>
Date: Mon, 30 Jun 2008 16:40:14 +0900
From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
User-Agent: Thunderbird 2.0.0.14 (Windows/20080421)
MIME-Version: 1.0
To: Li Zefan <lizf@cn.fujitsu.com>
CC: Paul Jackson <pj@sgi.com>, Andrew Morton <akpm@linux-foundation.org>,
       Lee.Schermerhorn@hp.com, linux-kernel@vger.kernel.org,
       Michael Kerrisk <mtk.manpages@googlemail.com>, rientjes@google.com
Subject: Re: [PATCH] doc: Document the relax_domain_level kernel boot argument
References: <20080630045640.20308.22031.sendpatchset@polaris-admin.engr.sgi.com> <486883D0.8070409@jp.fujitsu.com> <486887EB.5090304@cn.fujitsu.com>
In-Reply-To: <486887EB.5090304@cn.fujitsu.com>
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 736
Lines: 22

Li Zefan wrote:
> Hidetoshi Seto wrote:
>> The system default is architecture dependent. You can change your
>> system's default using the relax_domain_level= boot parameter.
> 
> but the system default is 0 by default. and 0 means no search no matter
> what architecture is. ;)

If my git pull works correctly, it seems that the default is still -1...

[kernel/sched.c]
> static int default_relax_domain_level = -1;

AFAIK, for example, x86(SMT) search siblings by default.

Thanks,
H.Seto
--
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/