237 struct mem_cgroup {  struct
241 	struct mem_cgroup_id id;  argument
244 	struct page_counter memory;		/* Both v1 & v2 */
246 	union {
252 	struct page_counter kmem;		/* v1 only */
253 	struct page_counter tcpmem;		/* v1 only */
256 	struct work_struct high_work;
258 	unsigned long soft_limit;
261 	struct vmpressure vmpressure;
287 	struct mem_cgroup_thresholds thresholds;  argument
290 	struct mem_cgroup_thresholds memsw_thresholds;  argument
297 	 * mem_cgroup ? And what type of charges should we move ?  argument
299 	unsigned long move_charge_at_immigrate;
301 	spinlock_t		move_lock;
302 	unsigned long		move_lock_flags;
307 	struct memcg_vmstats	vmstats;
310 	atomic_long_t		memory_events[MEMCG_NR_MEMORY_EVENTS];
311 	atomic_long_t		memory_events_local[MEMCG_NR_MEMORY_EVENTS];
313 	unsigned long		socket_pressure;
316 	bool			tcpmem_active;
317 	int			tcpmem_pressure;
320 	int kmemcg_id;
321 	enum memcg_kmem_state kmem_state;
322 	struct obj_cgroup __rcu *objcg;
323 	struct list_head objcg_list; /* list of inherited objcgs */
350 	struct mem_cgroup_per_node *nodeinfo[];  argument
359 extern struct mem_cgroup *root_mem_cgroup;  argument