region_chg        858 mm/hugetlb.c   		return region_chg(&inode->i_mapping->private_list,
region_chg        869 mm/hugetlb.c   		err = region_chg(&reservations->regions, idx, idx + 1);
region_chg       2181 mm/hugetlb.c   		chg = region_chg(&inode->i_mapping->private_list, from, to);