RE: Problems with MSI-X on ia64

Miller, Mike (OS Dev)
2006-02-21T20:21:42Z

> -----Original Message-----
> From: Grundler, Grant G
>
> On Fri, Feb 17, 2006 at 11:52:45AM -0800, Luck, Tony wrote:
> > > Hrm, it may be doing this. I wonder how that works though with
> > > 4GB's of RAM installed?
> >
> > Systems with 4G of RAM usually map part of the RAM above 4G
> so as to
> > leave a hole for i/o mapping etc.
>
> exactly.
> rx2600 physical memory map only has 1GB of RAM below 4GB
> address space.

So I looked at 2.6.16-rc3 which works in my lab, but phys_addr is still
an int. How can that work? I believe Andrew saw the same thing in
2.6.15.

mikem