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Date:   Thu, 15 Feb 2018 17:50:28 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Patrick Bellasi <patrick.bellasi@arm.com>
Cc:     Vincent Guittot <vincent.guittot@linaro.org>, mingo@kernel.org,
        linux-kernel@vger.kernel.org, valentin.schneider@arm.com,
        morten.rasmussen@foss.arm.com, brendan.jackman@arm.com,
        dietmar.eggemann@arm.com
Subject: Re: [PATCH v5 1/3] sched: Stop nohz stats when decayed
Message-ID: <20180215165028.GA25181@hirez.programming.kicks-ass.net>
References: <1518622006-16089-1-git-send-email-vincent.guittot@linaro.org>
 <1518622006-16089-2-git-send-email-vincent.guittot@linaro.org>
 <20180215152247.GA25247@e110439-lin>
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On Thu, Feb 15, 2018 at 03:22:47PM +0000, Patrick Bellasi wrote:
> > >  static struct {
> > >  	cpumask_var_t idle_cpus_mask;
> > >  	atomic_t nr_cpus;
> > > +	int has_blocked;		/* Idle CPUS has blocked load */
> 
> Why not "bool"?
> 
Because then he gets me yelling that sizeof(_Bool) is undefined and the
whole structure layout goes out the window :-)

Never use bool in a composite type.