This way systemd in container on cgroup-v2 can enable the controllers it
requires.

https://jira.vzint.dev/browse/PSBM-149975
Signed-off-by: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
---
 kernel/cgroup/cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index b0cf5cf66d20..945130057a30 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5482,7 +5482,7 @@ static struct cftype cgroup_base_files[] = {
        },
        {
                .name = "cgroup.subtree_control",
-               .flags = CFTYPE_NS_DELEGATABLE,
+               .flags = CFTYPE_NS_DELEGATABLE | CFTYPE_VE_WRITABLE,
                .seq_show = cgroup_subtree_control_show,
                .write = cgroup_subtree_control_write,
        },
-- 
2.41.0

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