Subject: Re: Multiple page sizes and the pmap API
To: Jason R Thorpe <>
From: Jared D. McNeill <>
List: tech-kern
Date: 12/06/2001 17:02:05
On Thu, 6 Dec 2001, Jason R Thorpe wrote:
> On Thu, Dec 06, 2001 at 04:32:01PM -0400, Jared D. McNeill wrote:
>  > What about odd-ball processors, such as certain revisions of the Cyrix
>  > 6x86, that supported variable sized pages?
> For those processors, the array would need to describe the intersection
> of the following two sets:
> 	* The page sizes the processor supports
> 	* The page sizes that are potentially useful

It supports anywhere between 4KB and 4GB page sizes (in powers of
two), with different page sizes at the same time. VSPM will also work
together with traditional 4KB pages.