HAVE_ARCH_HUGETLB_UNMAPPED_AREA  258 arch/x86/mm/hugetlbpage.c #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
HAVE_ARCH_HUGETLB_UNMAPPED_AREA  128 fs/hugetlbfs/inode.c #ifndef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
HAVE_ARCH_HUGETLB_UNMAPPED_AREA  165 include/linux/hugetlb.h #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA