Subject: Re: [PATCH 1/1] powerpc: fix off by one in max_zone_pfn initialization for ZONE_DMA

From: Christoph Hellwig <[email-masked]>
Date: Tue, 25 Jun 2019 17:03:35 +0200

Thanks.  This looks good and seems to match what I couple of other
random architectures I checked do:

Reviewed-by: Christoph Hellwig <[email-masked]>