On glibc 2.3.6: mlock2-tests.c: In function 'seek_to_smaps_entry': mlock2-tests.c:158: warning: implicit declaration of function 'getline' According to the manpage of getline(), it needs _GNU_SOURCE before glibc 2.10. Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- tools/testing/selftests/vm/mlock2-tests.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c index 4431994aade2ef6f..cb247219f1f72889 100644 --- a/tools/testing/selftests/vm/mlock2-tests.c +++ b/tools/testing/selftests/vm/mlock2-tests.c @@ -1,3 +1,4 @@ +#define _GNU_SOURCE #include <sys/mman.h> #include <stdint.h> #include <stdio.h> -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html