Re: [PATCH v6 12/13] mm/hmm: Add flag to track device private pages

David Hildenbrand (Arm)
2026-03-06T16:05:23Z

On 2/2/26 12:36, Jordan Niethe wrote:
> A future change will remove device private pages from the physical
> address space. This will mean that device private pages no longer have
> normal pfns and must be handled separately.
>
> Prepare for this by adding a HMM_PFN_DEVICE_PRIVATE flag to indicate
> that a hmm_pfn contains a PFN for a device private page.
>
> Signed-off-by: Jordan Niethe <jniethe@nvidia.com>
> Signed-off-by: Alistair Popple <apopple@nvidia.com>

That makes sense to me.

--
Cheers,

David