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

From: Christoph Hellwig <[email-masked]>
Date: Sat, 14 Nov 2020 13:10:05 +0100

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.