KERNELBASE & large memory systems

Matt Porter mporter at
Tue Jan 22 06:30:42 EST 2002

On Mon, Jan 21, 2002 at 08:07:34AM -0700, Mark Pilon wrote:
> I've heard that one shouldn't modify the definition of KERNELBASE
> as it screws up the MM code;
> I'm wondering how people out there are handling designing systems
> (and getting linux running) on large pools of memory -- like
> 1 - 2 Gb or so.
> 0xc0000000 - 0xFFFFFFFF is 1Gb; has anyone redefined KERNELBASE
> lower to allow for more memory in a system?

If you simply need to handle more DRAM just turn on CONFIG_HIGHMEM.

Matt Porter
MontaVista Software, Inc.
mporter at

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