nouveau/hmm: support mapping large sysmem pages
Nouveau currently only supports mapping PAGE_SIZE sized pages of system memory when shared virtual memory (SVM) is enabled. Use the new hmm_pfn_to_map_order() function to support mapping system memory pages that are PMD_SIZE. Link: https://lore.kernel.org/r/20200701225352.9649-5-rcampbell@nvidia.comSigned-off-by:Ralph Campbell <rcampbell@nvidia.com> Signed-off-by:
Jason Gunthorpe <jgg@nvidia.com>
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