HSTATE_ATTR      2655 mm/hugetlb.c   HSTATE_ATTR(nr_hugepages);
HSTATE_ATTR      2674 mm/hugetlb.c   HSTATE_ATTR(nr_hugepages_mempolicy);
HSTATE_ATTR      2705 mm/hugetlb.c   HSTATE_ATTR(nr_overcommit_hugepages);