Only in 2.4.18pre7aa1: 00_get_user_pages-1
Only in 2.4.18pre7aa2: 00_get_user_pages-2

	Allow prefaulting VM_IO regions via mlock. (discussion with Andrew)

Only in 2.4.18pre7aa1: 20_pte-highmem-10
Only in 2.4.18pre7aa2: 20_pte-highmem-11

	Various fixes, mostly from Hugh Dickins. alpha now works too.