330 	unsigned long res_start = res->backup_offset;  in vmw_bo_dirty_transfer_to_res()  local
333 	WARN_ON_ONCE(res_start & ~PAGE_MASK);  in vmw_bo_dirty_transfer_to_res()
334 	res_start >>= PAGE_SHIFT;  in vmw_bo_dirty_transfer_to_res()
337 	if (res_start >= dirty->end || res_end <= dirty->start)  in vmw_bo_dirty_transfer_to_res()
340 	cur = max(res_start, dirty->start);  in vmw_bo_dirty_transfer_to_res()
356 	if (res_start <= dirty->start && res_end > dirty->start)  in vmw_bo_dirty_transfer_to_res()
358 	if (res_start < dirty->end && res_end >= dirty->end)  in vmw_bo_dirty_transfer_to_res()
359 		dirty->end = res_start;  in vmw_bo_dirty_transfer_to_res()
372 	unsigned long res_start = res->backup_offset;  in vmw_bo_dirty_clear_res()  local
377 	res_start >>= PAGE_SHIFT;  in vmw_bo_dirty_clear_res()
380 	if (res_start >= dirty->end || res_end <= dirty->start)  in vmw_bo_dirty_clear_res()
383 	res_start = max(res_start, dirty->start);  in vmw_bo_dirty_clear_res()
385 	bitmap_clear(&dirty->bitmap[0], res_start, res_end - res_start);  in vmw_bo_dirty_clear_res()
387 	if (res_start <= dirty->start && res_end > dirty->start)  in vmw_bo_dirty_clear_res()
389 	if (res_start < dirty->end && res_end >= dirty->end)  in vmw_bo_dirty_clear_res()
390 		dirty->end = res_start;  in vmw_bo_dirty_clear_res()