x86-32, numa: Make @size in init_aloc_remap() represent bytes

@size variable in init_alloc_remap() is confusing in that it starts as
number of bytes as its name implies and then becomes number of pages.
Make it consistently represent bytes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-7-git-send-email-tj@kernel.org


Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>