mm: add device coherent vma selection for memory migration
This case is used to migrate pages from device memory, back to system memory. Device coherent type memory is cache coherent from device and CPU point of view. Link: https://lkml.kernel.org/r/20220715150521.18165-6-alex.sierra@amd.com Signed-off-by:Alex Sierra <alex.sierra@amd.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Acked-by:
Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by:
Alistair Poppple <apopple@nvidia.com> Reviewed-by:
David Hildenbrand <david@redhat.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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