Subject: Re: [PATCH v2 2/2] drivers: dma-coherent: show per-device DMA region utilization via procfs

From: Christoph Hellwig <[email-masked]>
Date: Fri, 7 Jul 2017 16:28:27 +0200

This should at least go into debugfs.  I'd also prefer it it was a
separate file instead of the ifdefs.