Apply this handy patch and boot with numa=fake=4 (or how many nodes you
want, 8 max right now).

There is a minor issue with the hash function, which can make the last node
be bigger than the others.  Is probably fixable if it should be a problem.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>