shm_key           620 tools/testing/selftests/powerpc/mm/tlbie_test.c 	key_t shm_key = (key_t) getpid();
shm_key           654 tools/testing/selftests/powerpc/mm/tlbie_test.c 	shmid = shmget(shm_key, page_size, IPC_CREAT|0666);