linux-kernel - [PATCH 4/4] selftests: cgroup: Fix compilation on pre-cgroupns kernels

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Message-ID: <20250617133701.400095-5-mkoutny@suse.com>
Date: Tue, 17 Jun 2025 15:36:56 +0200
From: Michal Koutný <mkoutny@...e.com>
To: cgroups@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Michal Koutný <mkoutny@...e.com>,
	Tejun Heo <tj@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Shuah Khan <shuah@...nel.org>
Subject: [PATCH 4/4] selftests: cgroup: Fix compilation on pre-cgroupns kernels

The test would be skipped because of nsdelegate, so the defined value is
not used (0 is always acceptable).

Signed-off-by: Michal Koutný <mkoutny@...e.com>
---
 tools/testing/selftests/cgroup/test_core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c
index 452c2abf9794e..a360e2eb2eefd 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -21,6 +21,9 @@
 #include "cgroup_util.h"
 
 static bool nsdelegate;
+#ifndef CLONE_NEWCGROUP
+#define CLONE_NEWCGROUP 0
+#endif
 
 static int touch_anon(char *buf, size_t size)
 {
-- 
2.49.0