Re: [PATCH] dmaengine: ioat: Allocate correct size for descriptor chunk
From: Vinod Koul
Date: Mon Oct 05 2020 - 00:46:58 EST
On 22-09-20, 14:08, Logan Gunthorpe wrote:
> dma_alloc_coherent() is called with a fixed SZ_2M size, but frees happen
> with IOAT_CHUNK_SIZE. Recently, IOAT_CHUNK_SIZE was reduced to 512M but
> the allocation did not change. To fix, change to using the
> IOAT_CHUNK_SIZE define.
>
> This was caught with the upcoming patchset for converting Intel platforms to the
> dma-iommu implementation. It has a warning when the unmapped size differs from
> the mapped size.
Applied, thanks
--
~Vinod