Subject: Re: Where the kernel lives ...
To: Andrew Cagney <>
From: Chris G Demetriou <>
List: tech-ports
Date: 06/18/1995 02:41:36
> There is somewhat of a tradition of having kernels live at virtual
> address 0xf....... or something similar.  Is this really needed?  Could,
> for instance (assuming the architecture allows it) a kernel live at
> address 0x0.  Do any of the existing ports do this?

You can only do it if the kernel and user-space don't share a single
address space.

That is the case (they share seperate address spaces), for example, on
the m68k.  On the m68k, for at least some ports, KVM starts at zero.