Re: [PATCH] - Increase max physical memory size of x86_64

Jack Steiner
2008-03-25T16:54:57Z

On Tue, Mar 25, 2008 at 05:41:54PM +0100, Andreas Herrmann wrote:
> On Fri, Mar 21, 2008 at 08:31:57AM -0500, Jack Steiner wrote:
> > Increase the maximum physical address size of x86_64 system
> > to 44-bits. This is in preparation for future chips that
> > support larger physical memory sizes.
>
> Shouldn't this be increased to 48?
> AMD family 10h CPUs actually support 48 bits for the
> physical address.

You are probably correct but I don't work with AMD processors
and don't understand their requirements. If someone
wants to submit a patch to support larger phys memory sizes,
I certainly have no objections....

--- jack