x86-32, numa: Make init_alloc_remap() less panicky

Remap allocator failure isn't fatal.  The callers are required to fall
back to regular early memory allocation mechanisms on failure anyway,
so there's no reason to panic on remap init failure.  Whining and
returning are enough.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-9-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>