SHM_HUGE_1GB       71 include/uapi/linux/shm.h #define SHM_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
SHM_HUGE_1GB       42 tools/testing/selftests/vm/thuge-gen.c #define SHM_HUGE_1GB    (30 << SHM_HUGE_SHIFT)