668 struct cgroup_subsys {  struct
669 	struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state *parent_css);  argument
670 	int (*css_online)(struct cgroup_subsys_state *css);  argument
671 	void (*css_offline)(struct cgroup_subsys_state *css);  argument
672 	void (*css_released)(struct cgroup_subsys_state *css);  argument
673 	void (*css_free)(struct cgroup_subsys_state *css);  argument
674 	void (*css_reset)(struct cgroup_subsys_state *css);  argument
675 	void (*css_rstat_flush)(struct cgroup_subsys_state *css, int cpu);  argument
677 				   struct cgroup_subsys_state *css);  argument
679 				   struct cgroup_subsys_state *css);  argument
691 	void (*bind)(struct cgroup_subsys_state *root_css);  argument
693 	bool early_init:1;
706 	bool implicit_on_dfl:1;
718 	bool threaded:1;
721 	int id;
722 	const char *name;
725 	const char *legacy_name;
728 	struct cgroup_root *root;
731 	struct idr css_idr;
737 	struct list_head cfts;
743 	struct cftype *dfl_cftypes;	/* for the default hierarchy */
744 	struct cftype *legacy_cftypes;	/* for the legacy hierarchies */
753 	unsigned int depends_on;