ustack             27 tools/testing/selftests/sigaltstack/sas.c static void *sstack, *ustack;
ustack            164 tools/testing/selftests/sigaltstack/sas.c 	ustack = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE,
ustack            166 tools/testing/selftests/sigaltstack/sas.c 	if (ustack == MAP_FAILED) {
ustack            172 tools/testing/selftests/sigaltstack/sas.c 	uc.uc_stack.ss_sp = ustack;