linux-kernel - Re: [RFC][PATCH 04/22] sched: SCHED_DEADLINE SMP-related data structures

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Message-ID: <1289416659.2084.40.camel@laptop>
Date:	Wed, 10 Nov 2010 20:17:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Raistlin <raistlin@...ux.it>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Chris Friesen <cfriesen@...tel.com>, oleg@...hat.com,
	Frederic Weisbecker <fweisbec@...il.com>,
	Darren Hart <darren@...art.com>,
	Johan Eker <johan.eker@...csson.com>,
	"p.faure" <p.faure@...tech.ch>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Claudio Scordino <claudio@...dence.eu.com>,
	michael trimarchi <trimarchi@...is.sssup.it>,
	Fabio Checconi <fabio@...dalf.sssup.it>,
	Tommaso Cucinotta <cucinotta@...up.it>,
	Juri Lelli <juri.lelli@...il.com>,
	Nicola Manica <nicola.manica@...i.unitn.it>,
	Luca Abeni <luca.abeni@...tn.it>,
	Dhaval Giani <dhaval@...is.sssup.it>,
	Harald Gustafsson <hgu1972@...il.com>,
	paulmck <paulmck@...ux.vnet.ibm.com>
Subject: Re: [RFC][PATCH 04/22] sched: SCHED_DEADLINE SMP-related data
 structures

On Fri, 2010-10-29 at 08:29 +0200, Raistlin wrote:
> @@ -1336,6 +1336,7 @@ struct task_struct {
>  
>         struct list_head tasks;
>         struct plist_node pushable_tasks;
> +       struct rb_node pushable_dl_tasks; 

Shouldn't these be CONFIG_SMP too? Not much use in tracking pushable
tasks when there's nothing to push them to, eh?


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