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.
Alexey Kardashevskiy writes:
> So far we have been using huge DMA windows to map all the RAM available.
> The RAM is normally mapped to the VM address space contiguously, and
> there is always a reasonable upper limit for possible future hot plugged
> RAM which makes it easy to map all RAM via IOM
So far we have been using huge DMA windows to map all the RAM available.
The RAM is normally mapped to the VM address space contiguously, and
there is always a reasonable upper limit for possible future hot plugged
RAM which makes it easy to map all RAM via IOMMU.
Now there is persistent memory ("
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