[ros-dev] 2GB Boundary

[Hartmut Birr]

> -----Original Message-----
> From: ros-dev-bounces at reactos.com 
> [mailto:ros-dev-bounces at reactos.com] On Behalf Of Eric Kohl
> Sent: Sunday, October 10, 2004 10:52 AM
> To: ReactOS Development List
> Subject: Re: [ros-dev] 2GB Boundary
> 
> This is not 100% correct. The lowest 64k of the process 
> _virtual_ address
> space is is reserved and protected in order to detect NULL 
> pointer access.
> 

That is not correct. The lowest 64k are not reserved. The allocation of
memory starts at 64k if there was no base address given. With a base address
it is possible to allocate memory in the lowest 64k.

- Hartmut