Re: x86 Page Sizes

From: Robert Love (
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

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Sun Jun 30 2002 - 22:00:11 EST