Re: 4GB address space

[Gabor Gombas <gombasg@sztaki.hu>]

On Tue, Feb 28, 2006 at 05:46:07PM +0100, Wouter Verhelst wrote:

[...]
> > user applications can use the whole 4GB of virtual address space while the
> > kernel runs it's own AS.
[...]
> 
> Run "make menuconfig"; then, select "Processor type and features", and
> "High Memory Support". Done.

The question was not about HIGHMEM but about Ingo Molnar's "4G/4G
split" patch, which is not part of the base kernel. HIGHMEM does not let
userspace use the whole 4G address space.

Gabor

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     MTA SZTAKI Computer and Automation Research Institute
                Hungarian Academy of Sciences
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