On Sat, Apr 18, 2009 at 09:14:25PM +0200, Ingo Molnar wrote: > This way we intentionally create a 'free physical address space' > hole space that is the same as the rounding logic. No rounding > needed anywhere - as all the remaining address space is well-rounded > already. Plus we'd also _see_ all our rounding logic by looking at > the '(guard)' entries. > > Or maybe there's some aspect of gap-rounding that cannot be > expressed in such a static way? My gut feeling is that you guys do overcomplicate a simple issue which can be fixed with a one-liner like this: pci_mem_start = pci_mem_start < 0xc0000000 ? : 0xc0000000; This 0xc0000000 (3G) seems to be a pretty fundamental thing for certain 32-bit OS. ;-) Ivan. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html