kernel/cgroup/cgroup.c

1418 	cset = current->nsproxy->cgroup_ns->root_cset;
1440  *   switch cgroup_ns asynchronously.
1447 		cset = current->nsproxy->cgroup_ns->root_cset;
1969 	if (current->nsproxy->cgroup_ns == &init_cgroup_ns) {
2266 	ctx->ns = current->nsproxy->cgroup_ns;
4042 	ctx->ns = current->nsproxy->cgroup_ns;
6295 						current->nsproxy->cgroup_ns);
6457 					current->nsproxy->cgroup_ns);
6656 		struct css_set *rcset = child->nsproxy->cgroup_ns->root_cset;
6659 		child->nsproxy->cgroup_ns->root_cset = cset;