linux-kernel - Re: [PATCH] sched/rt: Move cpu rq properties from "struct rt

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Message-Id: <401821356041818@web4f.yandex.ru>
Date:	Fri, 21 Dec 2012 02:16:58 +0400
From:	Kirill Tkhai <tkhai@...dex.ru>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH] sched/rt: Move cpu rq properties from "struct rt_rq" to "struct rq"

20.12.2012, 21:53, "Thomas Gleixner" <tglx@...utronix.de>:
> On Tue, 18 Dec 2012, Kirill Tkhai wrote:
>
>>  The members rt_nr_total, rt_nr_migratory, overloaded and pushable_tasks are
>>  properties of cpu runqueue, not group rt_rq.
>
> Why?

Because, they depend on number and properties of all processes of rq, not of nested rt_rq.

>
> Thanks,
>
>         tglx
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