__alloc_bootmem_node and __alloc_bootmem_low_node documentation claims
the functions panic on allocation failure.  Do it.
Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org>
Acked-by: NYinghai Lu <yinghai@kernel.org>
Acked-by: NTejun Heo <tj@kernel.org>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>