HUGETLB_FLAG_ENCODE_1GB   32 include/uapi/asm-generic/hugetlb_encode.h #define HUGETLB_FLAG_ENCODE_1GB		(30 << HUGETLB_FLAG_ENCODE_SHIFT)
HUGETLB_FLAG_ENCODE_1GB   30 tools/include/asm-generic/hugetlb_encode.h #define HUGETLB_FLAG_ENCODE_1GB		(30 << HUGETLB_FLAG_ENCODE_SHIFT)