SHM_W             320 tools/testing/selftests/powerpc/benchmarks/context_switch.c 		shmid = shmget(IPC_PRIVATE, getpagesize(), SHM_R | SHM_W);
SHM_W              61 tools/testing/selftests/vm/hugepage-shm.c 	shmid = shmget(2, LENGTH, SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W);