swiotlb: remove a pointless comment
authorChristoph Hellwig <hch@lst.de>
Thu, 12 Apr 2018 08:46:01 +0000 (10:46 +0200)
committerChristoph Hellwig <hch@lst.de>
Fri, 19 Oct 2018 06:42:20 +0000 (08:42 +0200)
commit21bb9d64c5adc0a87c3736bc9a2d386023b88a5b
treea1440a98f279337e692b35a14b219eccdf713bb9
parentb9fd04262a8abc366f40a9e97598e94591352c26
swiotlb: remove a pointless comment

This comments describes an aspect of the map_sg interface that isn't
even exploited by swiotlb.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
kernel/dma/swiotlb.c