Re: [PATCH 16/16] dma-mapping: use exact allocation in dma_alloc_contiguous
From: 'Christoph Hellwig' <hch@lst.de>
Date: 2019-06-14 14:50:34
Also in:
dri-devel, intel-gfx, linux-iommu, linux-media, linux-mm, linux-rdma, linux-s390, linux-wireless, lkml, netdev
On Fri, Jun 14, 2019 at 02:15:44PM +0000, David Laight wrote:
Does this still guarantee that requests for 16k will not cross a 16k boundary? It looks like you are losing the alignment parameter.
The DMA API never gave you alignment guarantees to start with, and you can get not naturally aligned memory from many of our current implementations. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel