Re: x86 Page Sizes

From: Robert Love (rml@tech9.net)
Date: Wed Jun 26 2002 - 17:11:08 EST


On Wed, 2002-06-26 at 18:02, Dan Sturtevant wrote:
>
> I know the x86 linux kernel has 4K pages in userspace and 4M pages in
> kernel space. These two sizes seem to be limitations of the intel
> architecture (I think).
>
> Does anyone know a way to increase the userspace page size above 4K?
> Are there any patches for a 4M userspace pagesize?

Kernel has 4K pages in user and kernel space. It is the same address
space and segment, just uses MMU protection.

x86 does 4K pages.

        Robert Love

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