From: Christian Brauner <redacted>
If cgroup.kill file is supported make use of it.
Cc: Tejun Heo <redacted>
Cc: <redacted>
Acked-by: Roman Gushchin <redacted>
Signed-off-by: Christian Brauner <redacted>
---
/* v2 */
- Roman Gushchin [off-list ref]:
- Fix whitespace.
---
tools/testing/selftests/cgroup/cgroup_util.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 027014662fb2..f60f7d764690 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -252,6 +252,10 @@ int cg_killall(const char *cgroup)
char buf[PAGE_SIZE];
char *ptr = buf;
+ /* If cgroup.kill exists use it. */
+ if (!cg_write(cgroup, "cgroup.kill", "1"))
+ return 0;
+
if (cg_read(cgroup, "cgroup.procs", buf, sizeof(buf)))
return -1;
--
2.27.0