MAP_HUGE_1GB       22 include/linux/mman.h #define MAP_HUGE_1GB 0
MAP_HUGE_1GB       38 include/uapi/linux/mman.h #define MAP_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
MAP_HUGE_1GB       38 tools/include/uapi/linux/mman.h #define MAP_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
MAP_HUGE_1GB       31 tools/testing/selftests/vm/thuge-gen.c #define MAP_HUGE_1GB    (30 << MAP_HUGE_SHIFT)