| Message ID | 20180831212408.20071-1-igor.stoppa@huawei.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | selftest: vm: add unlikely() to BUG_ON() | expand |
diff --git a/tools/testing/selftests/vm/map_populate.c b/tools/testing/selftests/vm/map_populate.c index 6b8aeaa0bf7a..1bf8ff068dcd 100644 --- a/tools/testing/selftests/vm/map_populate.c +++ b/tools/testing/selftests/vm/map_populate.c @@ -21,9 +21,13 @@ #define MMAP_SZ 4096 #endif +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + #define BUG_ON(condition, description) \ do { \ - if (condition) { \ + if (unlikely(condition)) { \ fprintf(stderr, "[FAIL]\t%s:%d\t%s:%s\n", __func__, \ __LINE__, (description), strerror(errno)); \ exit(1); \
BUG_ON() is unlikely() to BUG() For unlikely(), borrow the definition from tools/include/linux/compiler.h Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com> Cc: Dmitry Safonov <dima@arista.com> Cc: Shuah Khan <shuah@kernel.org> Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- tools/testing/selftests/vm/map_populate.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)