846 	unsigned long npages = npages_in_range(start, end);  in drm_gpusvm_check_pages()  local
851 	pfns = kvmalloc_array(npages, sizeof(*pfns), GFP_KERNEL);  in drm_gpusvm_check_pages()
873 	for (i = 0; i < npages;) {  in drm_gpusvm_check_pages()
1112 					   unsigned long npages)  in __drm_gpusvm_range_unmap_pages()  argument
1125 		for (i = 0, j = 0; i < npages; j++) {  in __drm_gpusvm_range_unmap_pages()
1178 	unsigned long npages = npages_in_range(drm_gpusvm_range_start(range),  in drm_gpusvm_range_remove()  local
1190 	__drm_gpusvm_range_unmap_pages(gpusvm, range, npages);  in drm_gpusvm_range_remove()
1336 	unsigned long npages = npages_in_range(drm_gpusvm_range_start(range),  in drm_gpusvm_range_get_pages()  local
1352 	pfns = kvmalloc_array(npages, sizeof(*pfns), GFP_KERNEL);  in drm_gpusvm_range_get_pages()
1406 		range->dma_addr = kvmalloc_array(npages,  in drm_gpusvm_range_get_pages()
1418 	for (i = 0, j = 0; i < npages; ++j) {  in drm_gpusvm_range_get_pages()
1532 	unsigned long npages = npages_in_range(drm_gpusvm_range_start(range),  in drm_gpusvm_range_unmap_pages()  local
1540 	__drm_gpusvm_range_unmap_pages(gpusvm, range, npages);  in drm_gpusvm_range_unmap_pages()
1566 static void drm_gpusvm_migration_unlock_put_pages(unsigned long npages,  in drm_gpusvm_migration_unlock_put_pages()  argument
1571 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migration_unlock_put_pages()
1616 					unsigned long npages,  in drm_gpusvm_migrate_map_pages()  argument
1621 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migrate_map_pages()
1651 					   unsigned long npages,  in drm_gpusvm_migrate_unmap_pages()  argument
1656 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migrate_unmap_pages()
1698 	unsigned long i, npages = npages_in_range(start, end);  in drm_gpusvm_migrate_to_devmem()  local
1731 	buf = kvcalloc(npages, 2 * sizeof(*migrate.src) + sizeof(*dma_addr) +  in drm_gpusvm_migrate_to_devmem()
1737 	dma_addr = buf + (2 * sizeof(*migrate.src) * npages);  in drm_gpusvm_migrate_to_devmem()
1738 	pages = buf + (2 * sizeof(*migrate.src) + sizeof(*dma_addr)) * npages;  in drm_gpusvm_migrate_to_devmem()
1748 	migrate.dst = migrate.src + npages;  in drm_gpusvm_migrate_to_devmem()
1759 	if (migrate.cpages != npages) {  in drm_gpusvm_migrate_to_devmem()
1764 	err = ops->populate_devmem_pfn(devmem_allocation, npages, migrate.dst);  in drm_gpusvm_migrate_to_devmem()
1769 					   migrate.src, npages, DMA_TO_DEVICE);  in drm_gpusvm_migrate_to_devmem()
1773 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migrate_to_devmem()
1781 	err = ops->copy_to_devmem(pages, dma_addr, npages);  in drm_gpusvm_migrate_to_devmem()
1792 		drm_gpusvm_migration_unlock_put_pages(npages, migrate.dst);  in drm_gpusvm_migrate_to_devmem()
1795 	drm_gpusvm_migrate_unmap_pages(devmem_allocation->dev, dma_addr, npages,  in drm_gpusvm_migrate_to_devmem()
1825 					       unsigned long npages,  in drm_gpusvm_migrate_populate_ram_pfn()  argument
1833 	for (i = 0; i < npages; ++i, addr += PAGE_SIZE) {  in drm_gpusvm_migrate_populate_ram_pfn()
1860 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migrate_populate_ram_pfn()
1873 	for (i = 0; i < npages; ++i) {  in drm_gpusvm_migrate_populate_ram_pfn()
1897 	unsigned long npages, mpages = 0;  in drm_gpusvm_evict_to_ram()  local
1905 	npages = devmem_allocation->size >> PAGE_SHIFT;  in drm_gpusvm_evict_to_ram()
1911 	buf = kvcalloc(npages, 2 * sizeof(*src) + sizeof(*dma_addr) +  in drm_gpusvm_evict_to_ram()
1918 	dst = buf + (sizeof(*src) * npages);  in drm_gpusvm_evict_to_ram()
1919 	dma_addr = buf + (2 * sizeof(*src) * npages);  in drm_gpusvm_evict_to_ram()
1920 	pages = buf + (2 * sizeof(*src) + sizeof(*dma_addr)) * npages;  in drm_gpusvm_evict_to_ram()
1922 	err = ops->populate_devmem_pfn(devmem_allocation, npages, src);  in drm_gpusvm_evict_to_ram()
1926 	err = migrate_device_pfns(src, npages);  in drm_gpusvm_evict_to_ram()
1930 	err = drm_gpusvm_migrate_populate_ram_pfn(NULL, NULL, npages, &mpages,  in drm_gpusvm_evict_to_ram()
1936 					   dst, npages, DMA_FROM_DEVICE);  in drm_gpusvm_evict_to_ram()
1940 	for (i = 0; i < npages; ++i)  in drm_gpusvm_evict_to_ram()
1943 	err = ops->copy_to_ram(pages, dma_addr, npages);  in drm_gpusvm_evict_to_ram()
1949 		drm_gpusvm_migration_unlock_put_pages(npages, dst);  in drm_gpusvm_evict_to_ram()
1950 	migrate_device_pages(src, dst, npages);  in drm_gpusvm_evict_to_ram()
1951 	migrate_device_finalize(src, dst, npages);  in drm_gpusvm_evict_to_ram()
1952 	drm_gpusvm_migrate_unmap_pages(devmem_allocation->dev, dma_addr, npages,  in drm_gpusvm_evict_to_ram()
2001 	unsigned long npages, mpages = 0;  in __drm_gpusvm_migrate_to_ram()  local
2026 	npages = npages_in_range(start, end);  in __drm_gpusvm_migrate_to_ram()
2028 	buf = kvcalloc(npages, 2 * sizeof(*migrate.src) + sizeof(*dma_addr) +  in __drm_gpusvm_migrate_to_ram()
2034 	dma_addr = buf + (2 * sizeof(*migrate.src) * npages);  in __drm_gpusvm_migrate_to_ram()
2035 	pages = buf + (2 * sizeof(*migrate.src) + sizeof(*dma_addr)) * npages;  in __drm_gpusvm_migrate_to_ram()
2039 	migrate.dst = migrate.src + npages;  in __drm_gpusvm_migrate_to_ram()
2050 		for (i = 0; i < npages; ++i) {  in __drm_gpusvm_migrate_to_ram()
2065 	err = drm_gpusvm_migrate_populate_ram_pfn(vas, page, npages, &mpages,  in __drm_gpusvm_migrate_to_ram()
2071 	err = drm_gpusvm_migrate_map_pages(dev, dma_addr, migrate.dst, npages,  in __drm_gpusvm_migrate_to_ram()
2076 	for (i = 0; i < npages; ++i)  in __drm_gpusvm_migrate_to_ram()
2079 	err = ops->copy_to_ram(pages, dma_addr, npages);  in __drm_gpusvm_migrate_to_ram()
2085 		drm_gpusvm_migration_unlock_put_pages(npages, migrate.dst);  in __drm_gpusvm_migrate_to_ram()
2089 		drm_gpusvm_migrate_unmap_pages(dev, dma_addr, npages,  in __drm_gpusvm_migrate_to_ram()
2121 	unsigned long npages = npages_in_range(drm_gpusvm_range_start(range),  in drm_gpusvm_range_evict()  local
2129 	pfns = kvmalloc_array(npages, sizeof(*pfns), GFP_KERNEL);  in drm_gpusvm_range_evict()