Non-contiguous physical memory on 8572

[Scott Wood]

On Thu, Jul 02, 2009 at 03:56:39PM -0600, Aaron Pace wrote:
> Secondly, can you elaborate on how/when the reserved area could be
> mapped into the TLB?  I don't by any means lay claim to a complete
> understanding of this area, but aside from a direct ioremap/mmap call,
> how would this area get mapped at all?

Linux maps low memory (up to 768MiB) regardless of reserved regions --
the assumption is that it can't be clobbered, not that it isn't RAM.

-Scott