linux-kernel - Re: [PATCH] sched: remove noop in next

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Message-ID: <BANLkTikamnMuuyG_CZJ+jv-kA7mPLNw1tg@mail.gmail.com>
Date:	Tue, 24 May 2011 22:26:33 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Jesper Juhl <jj@...osbits.net>
Cc:	Mike Galbraith <efault@....de>, Yong Zhang <yong.zhang0@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] sched: remove noop in next_prio()

On Tue, May 24, 2011 at 10:16 PM, Jesper Juhl <jj@...osbits.net> wrote:
> On Tue, 24 May 2011, Hillf Danton wrote:
>
>> On Tue, May 24, 2011 at 7:53 PM, Mike Galbraith <efault@....de> wrote:
>> > On Tue, 2011-05-24 at 16:17 +0800, Yong Zhang wrote:
>> >> On Sat, May 21, 2011 at 10:19 PM, Hillf Danton <dhillf@...il.com> wrote:
>> >> > When computing the next priority for a given run-queue, the check for
>> >> > RT priority of the task determined by the pick_next_highest_task_rt()
>> >> > function could be removed, since only RT task is returned by the
>> >> > function.
>> >> >
>> >> > Signed-off-by: Hillf Danton <dhillf@...il.com>
>> >>
>> >> Yup, it's true.
>> >
>> > (could whack the else while there)
>> >
>>
>> Where is it, Mike?
>>
>
>
> -       if (next && rt_prio(next->prio))
> +       if (next)
>               return next->prio;
> -       else
> -              return MAX_RT_PRIO;
> +       return MAX_RT_PRIO;
>
>
>
> --
> Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
> Don't top-post http://www.catb.org/jargon/html/T/top-post.html
> Plain text mails only, please.
>
>

Very cool, thank you:)

Hillf
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