hugetlb_usage 558 include/linux/hugetlb.h atomic_long_add(l, &mm->hugetlb_usage); hugetlb_usage 563 include/linux/hugetlb.h atomic_long_sub(l, &mm->hugetlb_usage); hugetlb_usage 524 include/linux/mm_types.h atomic_long_t hugetlb_usage; hugetlb_usage 3224 mm/hugetlb.c atomic_long_read(&mm->hugetlb_usage) << (PAGE_SHIFT - 10));