217 struct mem_cgroup {  struct
221 	struct mem_cgroup_id id;  argument
224 	struct page_counter memory;		/* Both v1 & v2 */
226 	union {
232 	struct page_counter kmem;		/* v1 only */
233 	struct page_counter tcpmem;		/* v1 only */
236 	struct work_struct high_work;
238 	unsigned long soft_limit;
241 	struct vmpressure vmpressure;
246 	bool use_hierarchy;
272 	struct mem_cgroup_thresholds thresholds;  argument
275 	struct mem_cgroup_thresholds memsw_thresholds;  argument
282 	 * mem_cgroup ? And what type of charges should we move ?  argument
284 	unsigned long move_charge_at_immigrate;
286 	spinlock_t		move_lock;
287 	unsigned long		move_lock_flags;
291 	atomic_long_t		vmstats[MEMCG_NR_STAT];
292 	atomic_long_t		vmevents[NR_VM_EVENT_ITEMS];
295 	atomic_long_t		memory_events[MEMCG_NR_MEMORY_EVENTS];
296 	atomic_long_t		memory_events_local[MEMCG_NR_MEMORY_EVENTS];
298 	unsigned long		socket_pressure;
301 	bool			tcpmem_active;
302 	int			tcpmem_pressure;
305 	struct list_head score_node;
307 	char name[MEM_CGROUP_NAME_MAX_LEN];
308 	struct memcg_reclaim memcg_reclaimed;
313 	int kmemcg_id;
314 	enum memcg_kmem_state kmem_state;
315 	struct obj_cgroup __rcu *objcg;
317 	struct list_head objcg_list;
348 	struct mem_cgroup_per_node *nodeinfo[0];  argument
358 extern struct mem_cgroup *root_mem_cgroup;  argument