linux-kernel - Re: [PATCH 6/7] sched: Rename root_domain->overload to should_idle

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Date:   Fri, 16 Feb 2018 10:49:22 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Juri Lelli <juri.lelli@...il.com>
Cc:     Morten Rasmussen <morten.rasmussen@....com>, mingo@...hat.com,
        valentin.schneider@....com, dietmar.eggemann@....com,
        vincent.guittot@...aro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] sched: Rename root_domain->overload to
 should_idle_balance

On Fri, Feb 16, 2018 at 10:14:02AM +0100, Juri Lelli wrote:
> > diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> > index 7d324b706e67..4215438667e5 100644
> > --- a/kernel/sched/sched.h
> > +++ b/kernel/sched/sched.h
> > @@ -650,8 +650,12 @@ struct root_domain {
> >  	cpumask_var_t span;
> >  	cpumask_var_t online;
> >  
> > -	/* Indicate more than one runnable task for any CPU */
> > -	bool overload;
> > +	/*
> > +	 * Indicate whether the idle balance can be used to solve
> > +	 * imbalance within the root domain.
> > +	 * e.g. There is more than one runnable task for any CPU
> > +	 */
> > +	bool should_idle_balance;
> 
> Current name is however consistent with RT/DL's naming convention

Yeah, not a fan either. We've consistently used the term to mean
nr_running>1. The thing to fix there is the stupid bool, not the name.