Use the more common "#define _GNU_SOURCE" instead of defining it to 1. This will prevent redefinition warnings when -D_GNU_SOURCE= is set.
Signed-off-by: Edward Liaw edliaw@google.com --- tools/testing/selftests/mm/thuge-gen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c index d50dc71cac32..e4370b79b62f 100644 --- a/tools/testing/selftests/mm/thuge-gen.c +++ b/tools/testing/selftests/mm/thuge-gen.c @@ -13,7 +13,7 @@ sudo ipcs | awk '$1 == "0x00000000" {print $2}' | xargs -n1 sudo ipcrm -m (warning this will remove all if someone else uses them) */
-#define _GNU_SOURCE 1 +#define _GNU_SOURCE #include <sys/mman.h> #include <linux/mman.h> #include <stdlib.h>