[PATCH 3/4] mm: simplify device private page handling in hmm_range_fault

[Christoph Hellwig]

On Tue, Mar 17, 2020 at 03:43:47PM -0700, Ralph Campbell wrote:
>> Obviously no driver cared for that so far.  Once we have test cases
>> for that and thus testable code we can add code to fault it in from
>> hmm_vma_handle_pte.
>>
>
> I'm OK with the series. I think I would have been less confused if I looked at
> patch 4 then 3.

I guess I could just merge 3 and 4 if it is too confusing otherwise.