region_add       2003 mm/hugetlb.c   		ret = region_add(resv, idx, idx + 1);
region_add       2011 mm/hugetlb.c   			ret = region_add(resv, idx, idx + 1);
region_add       4736 mm/hugetlb.c   		long add = region_add(resv_map, from, to);