diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 426a0026225c2..30aba80858e3f 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -4221,6 +4221,7 @@ css_next_descendant_pre(struct cgroup_subsys_state *pos, return NULL; } +EXPORT_SYMBOL_GPL(css_next_descendant_pre); /** * css_rightmost_descendant - return the rightmost descendant of a css