mm/hmm/test: use the new migration invalidation
Use the new MMU_NOTIFY_MIGRATE event to skip MMU invalidations of device private memory and handle the invalidation in the driver as part of migrating device private memory. Link: https://lore.kernel.org/r/20200723223004.9586-6-rcampbell@nvidia.comSigned-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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