task_css_check
return task_css_check(task, subsys_id, false);
return task_css_check(task, subsys_id, true) ==
return container_of(task_css_check(task, perf_event_cgrp_id,
cgrp = task_css_check(current, perf_event_cgrp_id, 1)->cgroup;
tg = container_of(task_css_check(tsk, cpu_cgrp_id, true),
return css_cls_state(task_css_check(p, net_cls_cgrp_id,