Re: [PATCH v7 02/14] mm: add zone device coherent type memory support

David Hildenbrand
2022-06-29T18:48:38Z

On 29.06.22 05:54, Alex Sierra wrote:
> Device memory that is cache coherent from device and CPU point of view.
> This is used on platforms that have an advanced system bus (like CAPI
> or CXL). Any page of a process can be migrated to such memory. However,
> no one should be allowed to pin such memory so that it can always be
> evicted.
>
> Signed-off-by: Alex Sierra <alex.sierra@amd.com>
> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
> Reviewed-by: Alistair Popple <apopple@nvidia.com>
> [hch: rebased ontop of the refcount changes,
> removed is_dev_private_or_coherent_page]
> Signed-off-by: Christoph Hellwig <hch@lst.de>

From what I can tell, this looks good to me

Acked-by: David Hildenbrand <david@redhat.com>

--
Thanks,

David / dhildenb