217 	struct vfio_region_info_cap_sparse_mmap *sparse;  in nvgrace_gpu_ioctl_get_region_info()  local
238 	size = struct_size(sparse, areas, 1);  in nvgrace_gpu_ioctl_get_region_info()
245 	sparse = kzalloc(size, GFP_KERNEL);  in nvgrace_gpu_ioctl_get_region_info()
246 	if (!sparse)  in nvgrace_gpu_ioctl_get_region_info()
249 	sparse->nr_areas = 1;  in nvgrace_gpu_ioctl_get_region_info()
250 	sparse->areas[0].offset = 0;  in nvgrace_gpu_ioctl_get_region_info()
251 	sparse->areas[0].size = memregion->memlength;  in nvgrace_gpu_ioctl_get_region_info()
252 	sparse->header.id = VFIO_REGION_INFO_CAP_SPARSE_MMAP;  in nvgrace_gpu_ioctl_get_region_info()
253 	sparse->header.version = 1;  in nvgrace_gpu_ioctl_get_region_info()
255 	ret = vfio_info_add_capability(&caps, &sparse->header, size);  in nvgrace_gpu_ioctl_get_region_info()
256 	kfree(sparse);  in nvgrace_gpu_ioctl_get_region_info()