Re: [PATCH] dma-mapping: Don't store redundant offsets

[Christoph Hellwig]

On Fri, Nov 24, 2023 at 06:10:03PM +0000, Robin Murphy wrote:
> A bus_dma_region necessarily stores both CPU and DMA base addresses for
> a range, so there's no need to also store the difference between them.

Yes.  I'll add this to the for-next branch for 6.8 once I open it.