_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/cgroup/cgroup_util.c | 3 --- tools/testing/selftests/cgroup/test_core.c | 2 -- tools/testing/selftests/cgroup/test_cpu.c | 2 -- tools/testing/selftests/cgroup/test_hugetlb_memcg.c | 2 -- tools/testing/selftests/cgroup/test_kmem.c | 2 -- tools/testing/selftests/cgroup/test_memcontrol.c | 2 -- tools/testing/selftests/cgroup/test_zswap.c | 2 -- 7 files changed, 15 deletions(-) diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c index 432db923bced..ce16a50ecff8 100644 --- a/tools/testing/selftests/cgroup/cgroup_util.c +++ b/tools/testing/selftests/cgroup/cgroup_util.c @@ -1,7 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ - -#define _GNU_SOURCE - #include <errno.h> #include <fcntl.h> #include <linux/limits.h> diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c index a5672a91d273..de8baad46022 100644 --- a/tools/testing/selftests/cgroup/test_core.c +++ b/tools/testing/selftests/cgroup/test_core.c @@ -1,6 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ - -#define _GNU_SOURCE #include <linux/limits.h> #include <linux/sched.h> #include <sys/types.h> diff --git a/tools/testing/selftests/cgroup/test_cpu.c b/tools/testing/selftests/cgroup/test_cpu.c index dad2ed82f3ef..5a4a314f6af7 100644 --- a/tools/testing/selftests/cgroup/test_cpu.c +++ b/tools/testing/selftests/cgroup/test_cpu.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 - -#define _GNU_SOURCE #include <linux/limits.h> #include <sys/sysinfo.h> #include <sys/wait.h> diff --git a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c index 856f9508ea56..80d05d50a42d 100644 --- a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c +++ b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE - #include <linux/limits.h> #include <sys/mman.h> #include <stdio.h> diff --git a/tools/testing/selftests/cgroup/test_kmem.c b/tools/testing/selftests/cgroup/test_kmem.c index 96693d8772be..2e453ac50c0d 100644 --- a/tools/testing/selftests/cgroup/test_kmem.c +++ b/tools/testing/selftests/cgroup/test_kmem.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE - #include <linux/limits.h> #include <fcntl.h> #include <stdio.h> diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index 41ae8047b889..c871630d62a3 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -1,6 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#define _GNU_SOURCE - #include <linux/limits.h> #include <linux/oom.h> #include <fcntl.h> diff --git a/tools/testing/selftests/cgroup/test_zswap.c b/tools/testing/selftests/cgroup/test_zswap.c index 190096017f80..cfaa94e0a175 100644 --- a/tools/testing/selftests/cgroup/test_zswap.c +++ b/tools/testing/selftests/cgroup/test_zswap.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE - #include <linux/limits.h> #include <unistd.h> #include <stdio.h> -- 2.45.0.118.g7fe29c98d7-goog