[PATCH] ppc64: Fix oops for !CONFIG_NUMA

The SPARSEMEM EXTREME code (802f192e

) that
went in yesterday broke PPC64 for !CONFIG_NUMA.

The problem is that (free|reserve)_bootmem don't take a page number as their
first argument, they take an address. Ruh roh.

Booted on P5 LPAR, iSeries and G5.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>