[PATCH v1 1/4] mm/hmm: HMM API for P2P DMA to device zone pages

[Christoph Hellwig]

On Thu, Oct 17, 2024 at 11:05:07AM -0300, Jason Gunthorpe wrote:
> BTW this:
> 
>   iommu: generalize the batched sync after map interface
> 
> I am hoping to in a direction of adding a gather to the map, just like
> unmap. So eventually instead of open coding iotlb_sync_map() you'd
> flush the gather and it would do it.

I don't really care either way, I just need something to not regress
map behavior vs map_sg.