499 	struct dmirror_chunk *devmem;  in dmirror_allocate_chunk()  local
507 	devmem = kzalloc_obj(*devmem);  in dmirror_allocate_chunk()
508 	if (!devmem)  in dmirror_allocate_chunk()
517 		devmem->pagemap.range.start = res->start;  in dmirror_allocate_chunk()
518 		devmem->pagemap.range.end = res->end;  in dmirror_allocate_chunk()
519 		devmem->pagemap.type = MEMORY_DEVICE_PRIVATE;  in dmirror_allocate_chunk()
522 		devmem->pagemap.range.start = (MINOR(mdevice->cdevice.dev) - 2) ?  in dmirror_allocate_chunk()
525 		devmem->pagemap.range.end = devmem->pagemap.range.start +  in dmirror_allocate_chunk()
527 		devmem->pagemap.type = MEMORY_DEVICE_COHERENT;  in dmirror_allocate_chunk()
534 	devmem->pagemap.nr_range = 1;  in dmirror_allocate_chunk()
535 	devmem->pagemap.ops = &dmirror_devmem_ops;  in dmirror_allocate_chunk()
536 	devmem->pagemap.owner = mdevice;  in dmirror_allocate_chunk()
554 	ptr = memremap_pages(&devmem->pagemap, numa_node_id());  in dmirror_allocate_chunk()
563 	devmem->mdevice = mdevice;  in dmirror_allocate_chunk()
564 	pfn_first = devmem->pagemap.range.start >> PAGE_SHIFT;  in dmirror_allocate_chunk()
565 	pfn_last = pfn_first + (range_len(&devmem->pagemap.range) >> PAGE_SHIFT);  in dmirror_allocate_chunk()
566 	mdevice->devmem_chunks[mdevice->devmem_count++] = devmem;  in dmirror_allocate_chunk()
619 	if (res && devmem->pagemap.type == MEMORY_DEVICE_PRIVATE)  in dmirror_allocate_chunk()
620 		release_mem_region(devmem->pagemap.range.start,  in dmirror_allocate_chunk()
621 				   range_len(&devmem->pagemap.range));  in dmirror_allocate_chunk()
623 	kfree(devmem);  in dmirror_allocate_chunk()
1431 static void dmirror_remove_free_pages(struct dmirror_chunk *devmem)  in dmirror_remove_free_pages()  argument
1433 	struct dmirror_device *mdevice = devmem->mdevice;  in dmirror_remove_free_pages()
1439 		if (dmirror_page_to_chunk(folio_page(folio, 0)) == devmem)  in dmirror_remove_free_pages()
1442 		if (dmirror_page_to_chunk(page) == devmem)  in dmirror_remove_free_pages()
1453 			struct dmirror_chunk *devmem =  in dmirror_device_remove_chunks()  local
1457 			devmem->remove = true;  in dmirror_device_remove_chunks()
1458 			dmirror_remove_free_pages(devmem);  in dmirror_device_remove_chunks()
1461 			dmirror_device_evict_chunk(devmem);  in dmirror_device_remove_chunks()
1462 			memunmap_pages(&devmem->pagemap);  in dmirror_device_remove_chunks()
1463 			if (devmem->pagemap.type == MEMORY_DEVICE_PRIVATE)  in dmirror_device_remove_chunks()
1464 				release_mem_region(devmem->pagemap.range.start,  in dmirror_device_remove_chunks()
1465 						   range_len(&devmem->pagemap.range));  in dmirror_device_remove_chunks()
1466 			kfree(devmem);  in dmirror_device_remove_chunks()