Re: DRAM and PCI devices at same physical address

[Ross Biro]

On 25 Jun 2004 17:23:00 -0400, Matt Sexton <sexton@xxxxxx> wrote:

> 
> Should they be appearing there at all?  Does Linux make any guarantees
> when there is more physical memory than specified by "mem=" ?

You've told linux there is only 512M of physical memory and it
believes you, so it is using the available address space for memory
mapped i/o.  I know of no way to reserve memory on the command line.
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