linux-kernel - Re: [PATCH 3/6] sched: Avoid redundant initialization of runqueues

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Message-ID: <1310590063.2586.32.camel@twins>
Date:	Wed, 13 Jul 2011 22:47:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Jan H." Schönherr <schnhrr@...tu-berlin.de>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] sched: Avoid redundant initialization of runqueues

On Wed, 2011-07-13 at 20:13 +0200, Jan H. Schönherr wrote:
> Within sched_init() the functions init_{cfs,rt}_rq() are called
> unconditionally. However, when group scheduling is enabled, those calls
> are also done in init_tg_{cfs,rt}_entry().
> 
> To avoid this redundant initialization, the direct calls within
> sched_init() to init_{cfs,rt}_rq() are dropped in case of enabled group
> scheduling.

But it adds #ifdef muck.. 

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