Use MAX_DMA_PFN which represents the 16 MB ISA DMA limit on
32-bit x86 just like we do on 64-bit.
Acked-by: NTejun Heo <tj@kernel.org>
Acked-by: NYinghai Lu <yinghai@kernel.org>
Acked-by: NDavid Rientjes <rientjes@google.com>
Signed-off-by: NPekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1320155902-10424-1-git-send-email-penberg@kernel.orgSigned-off-by: NIngo Molnar <mingo@elte.hu>