On Mon, Aug 12, 2013 at 2:11 PM, Luck, Tony <tony.luck@xxxxxxxxx> wrote: >>> The only fly I see in the ointment here is the crazy fragmentation of physical > > Just an idle, slightly related, question. Will a 64-bit X86 kernel work if the physical load address is >4GB? Yes. for smp booting, will need some pages under 1M for trampoline AP. Yinghai -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>