selftests: cgroup: Fix compilation on pre-cgroupns kernels

Werkov · htejun · commit 5da4f9db980c · 2025-06-17T08:13:25.000-10:00
The test would be skipped because of nsdelegate, so the defined value is
not used (0 is always acceptable).

Signed-off-by: Michal Koutný &lt;mkoutny@suse.com&gt;
Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
diff --git 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)
 {

Original file line number	Diff line number	Diff line change
`@@ -21,6 +21,9 @@`
`21`	`21`	`#include "cgroup_util.h"`
`22`	`22`
`23`	`23`	`static bool nsdelegate;`
	`24`	`+#ifndef CLONE_NEWCGROUP`
	`25`	`+#define CLONE_NEWCGROUP 0`
	`26`	`+#endif`
`24`	`27`
`25`	`28`	`static int touch_anon(char *buf, size_t size)`
`26`	`29`	`{`