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From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
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
Date: Mon, 30 Jun 2008 16:40:14 +0900	[thread overview]
Message-ID: <48688DDE.9060802@jp.fujitsu.com> (raw)
In-Reply-To: <486887EB.5090304@cn.fujitsu.com>

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

  reply	other threads:[~2008-06-30  7:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-30  4:56 [PATCH] doc: Document the relax_domain_level kernel boot argument Paul Jackson
2008-06-30  6:08 ` Li Zefan
2008-06-30  7:10   ` Michael Kerrisk
2008-06-30 13:01     ` Paul Jackson
2008-06-30  6:57 ` Hidetoshi Seto
2008-06-30  7:14   ` Li Zefan
2008-06-30  7:40     ` Hidetoshi Seto [this message]
2008-06-30  7:44       ` Li Zefan

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