linux-kernel - SCHED_RR && time

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Message-ID: <20111226165930.GA4075@redhat.com>
Date:	Mon, 26 Dec 2011 17:59:30 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Kirill Tkhai <kirill.tkhai@...il.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Kirill Tkhai <tkhai@...dex.ru>
Subject: SCHED_RR && time_slice

On 12/23, Kirill Tkhai wrote:
>
> RT class uses its own fixed
> timeslice (in case of RR),

which looks confusing too, btw.

sched_set_scheduler() does not initialize rt.time_slice, and
INIT_TASK() sets time_slice = HZ (not DEF_TIMESLICE).

Oleg.

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