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Date: Thu, 23 Nov 2006 17:48:35 -0600
From: Alan Cox <alc@cs.rice.edu>
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To: Ricardo Nabinger Sanchez <rnsanchez@wait4.org>
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Cc: Kip Macy <kip.macy@gmail.com>, Ulrich Spoerlein <uspoerlein@gmail.com>,
	arch@freebsd.org
Subject: Re: superpage plans
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Ricardo Nabinger Sanchez wrote:

>On Wed, 22 Nov 2006 21:16:25 +0100
>Ulrich Spoerlein <uspoerlein@gmail.com> wrote:
>
>  
>
>>what performance impact do you estimate for "older" processors? I know
>>very little about superpages, so I assume that, e.g., earlier Pentiums
>>don't support it? Where do you think the break off point lies?
>>    
>>
>
>Please correct me if I'm wrong, but if superpages means using 4 MB TLB pages,
>then it is quite old (~1993) and every pentium (i586 or newer) should support
>it.
>
>  
>
Yes, you are correct.

Regards,
Alan