From: Peter Zijlstra <peterz@infradead.org>
To: Dimitri Sivanich <sivanich@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: relax_domain_level boot parameter has no effect
Date: Mon, 04 Jun 2012 17:37:42 +0200 [thread overview]
Message-ID: <1338824262.28282.87.camel@twins> (raw)
In-Reply-To: <20120601210348.GA22471@sgi.com>
On Fri, 2012-06-01 at 16:03 -0500, Dimitri Sivanich wrote:
> I noticed (and verified) that the relax_domain_level boot parameter does not
> get processed because sched_domain_level_max is 0 at the time that
> setup_relax_domain_level() is run.
>
> int sched_domain_level_max;
>
> static int __init setup_relax_domain_level(char *str)
> {
> unsigned long val;
>
> val = simple_strtoul(str, NULL, 0);
> if (val < sched_domain_level_max)
> default_relax_domain_level = val;
>
> return 1;
> }
> __setup("relax_domain_level=", setup_relax_domain_level);
Ah indeed.. this has been so for a while I guess.
What are you using this knob for?
next prev parent reply other threads:[~2012-06-04 15:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-01 21:03 relax_domain_level boot parameter has no effect Dimitri Sivanich
2012-06-04 15:37 ` Peter Zijlstra [this message]
2012-06-04 18:16 ` Dimitri Sivanich
2012-06-05 18:34 ` Dimitri Sivanich
2012-06-05 18:36 ` Peter Zijlstra
2012-06-05 18:44 ` [PATCH] Fix relax_domain_level interface Dimitri Sivanich
2012-06-06 16:01 ` [tip:sched/urgent] sched: Fix the relax_domain_level boot parameter tip-bot for Dimitri Sivanich
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