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Ralph Campbell authored
The migrate_vma_setup(), migrate_vma_pages(), and migrate_vma_finalize() API usage by device drivers is not well documented. Add a description for how device drivers are expected to use it. Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/r/20200909212956.20104-1-rcampbell@nvidia.comSigned-off-by: Jonathan Corbet <corbet@lwn.net>
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