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Date: Thu,  9 May 2024 19:58:02 +0000
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Subject: [PATCH v3 10/68] selftests/cgroup: Drop define _GNU_SOURCE
From: Edward Liaw <edliaw@google.com>
To: shuah@kernel.org, "=?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?=" <mic@digikod.net>, 
	"=?UTF-8?q?G=C3=BCnther=20Noack?=" <gnoack@google.com>, Christian Brauner <brauner@kernel.org>, 
	Richard Cochran <richardcochran@gmail.com>, Paul Walmsley <paul.walmsley@sifive.com>, 
	Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, 
	Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, 
	"David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, 
	Jesper Dangaard Brouer <hawk@kernel.org>, John Fastabend <john.fastabend@gmail.com>, Tejun Heo <tj@kernel.org>, 
	Zefan Li <lizefan.x@bytedance.com>, Johannes Weiner <hannes@cmpxchg.org>, 
	Michal Hocko <mhocko@kernel.org>, Roman Gushchin <roman.gushchin@linux.dev>, 
	Shakeel Butt <shakeel.butt@linux.dev>, Muchun Song <muchun.song@linux.dev>, 
	Yosry Ahmed <yosryahmed@google.com>, Nhat Pham <nphamcs@gmail.com>, 
	Chengming Zhou <chengming.zhou@linux.dev>, Muhammad Usama Anjum <usama.anjum@collabora.com>, 
	Andrew Morton <akpm@linux-foundation.org>, Edward Liaw <edliaw@google.com>
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, 
	kernel-team@android.com, linux-security-module@vger.kernel.org, 
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_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Signed-off-by: Edward Liaw <edliaw@google.com>
---
 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 d13954256335..87512e91845e 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