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Subject: Re: [patch 4/4] powerpc 2.6.21-rt1: reduce scheduling latency by
	changing tlb flush size
From: Thomas Gleixner <tglx@linutronix.de>
To: Tsutomu OWA <tsutomu.owa@toshiba.co.jp>
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Date: Mon, 14 May 2007 08:51:46 +0200
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Tsutomu-san,

On Mon, 2007-05-14 at 15:38 +0900, Tsutomu OWA wrote:
> Oopps, Subject was wrong.... resending it.  Sorry.
> 
> To reduce scheduling latecy by changing tlb flush size to 1.
> Since tlb flush on Celleb is done by calling (an) expensive hypervisor call(s), 
> it takes a long time to flush tlbs and causes scheduing latency.
> 
> As I don't know how long it takes on other platforms, it would be better to 
> enclose it within #ifdef CONFIG_PPC_CELLEB.

Yes, that might be appropriate. Can you add this and resend please ?

	tglx