cgroup_cls_state
struct cgroup_cls_state *task_cls_state(struct task_struct *p);
struct cgroup_cls_state, css)->classid;
struct cgroup_cls_state *cs = css_cls_state(css);
static inline struct cgroup_cls_state *css_cls_state(struct cgroup_subsys_state *css)
return css ? container_of(css, struct cgroup_cls_state, css) : NULL;
struct cgroup_cls_state *task_cls_state(struct task_struct *p)
struct cgroup_cls_state *cs;
struct cgroup_cls_state *cs = css_cls_state(css);
struct cgroup_cls_state *parent = css_cls_state(css->parent);