[PATCH kernel v4 2/2] powerpc/dma: Fallback to dma_ops when persistent memory present

[Christoph Hellwig]

On Thu, Oct 29, 2020 at 12:52:41PM +1100, Alexey Kardashevskiy wrote:
> +EXPORT_SYMBOL_GPL(arch_dma_map_page_direct);

I've dropped the unused exports and applied the series to dma-mapping-for-next.