On Tue, May 22, 2012 at 11:34 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > and will fall back to below 4g if it can not find any above 4g. Has this been tested on 32-bit machines without PAE? There might be things that just happen to work because their allocations were always done bottom-up. Or do we have something else that protects us from the "oops, we can't actually *map* those pages"? Linus -- 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