SHM_HUGE_MASK     642 ipc/shm.c      		hs = hstate_sizelog((shmflg >> SHM_HUGE_SHIFT) & SHM_HUGE_MASK);
SHM_HUGE_MASK     654 ipc/shm.c      				(shmflg >> SHM_HUGE_SHIFT) & SHM_HUGE_MASK);