linux-kernel - Re: [PATCH] sched: Simplify task_group_is

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Date:	Sun, 18 Dec 2011 17:15:31 +0530
From:	Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>
To:	Sisir Koppaka <sisir.koppaka@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: Simplify task_group_is_autogroup

On Sun, 18 Dec 2011 15:42:53 +0530, Sisir Koppaka <sisir.koppaka@...il.com> wrote:
> Removing the !! in task_group_is_autogroup doesn't impede functionality.
> 
> Tested with and without CONFIG_SCHED_AUTOGROUP.
> 
> Signed-off-by: Sisir Koppaka <sisir.koppaka@...il.com>
> ---
>  kernel/sched/auto_group.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/sched/auto_group.h b/kernel/sched/auto_group.h
> index 8bd0471..f628798 100644
> --- a/kernel/sched/auto_group.h
> +++ b/kernel/sched/auto_group.h
> @@ -21,7 +21,7 @@ extern void autogroup_free(struct task_group *tg);
> 
>  static inline bool task_group_is_autogroup(struct task_group *tg)
>  {
> -	return !!tg->autogroup;
> +	return tg->autogroup;
>
The return is supposed to be a boolean. So the code is correct.

Regards,
Nikunj

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