209 struct mem_cgroup {  struct
213 	struct mem_cgroup_id id;  argument
216 	struct page_counter memory;		/* Both v1 & v2 */
218 	union {
224 	struct page_counter kmem;		/* v1 only */
225 	struct page_counter tcpmem;		/* v1 only */
228 	struct work_struct high_work;
231 	unsigned long zswap_max;
234 	unsigned long soft_limit;
237 	struct vmpressure vmpressure;
263 	struct mem_cgroup_thresholds thresholds;  argument
266 	struct mem_cgroup_thresholds memsw_thresholds;  argument
273 	 * mem_cgroup ? And what type of charges should we move ?  argument
275 	unsigned long move_charge_at_immigrate;
277 	spinlock_t		move_lock;
278 	unsigned long		move_lock_flags;
283 	struct memcg_vmstats	*vmstats;
286 	atomic_long_t		memory_events[MEMCG_NR_MEMORY_EVENTS];
287 	atomic_long_t		memory_events_local[MEMCG_NR_MEMORY_EVENTS];
294 	unsigned long		socket_pressure;
297 	bool			tcpmem_active;
298 	int			tcpmem_pressure;
301 	int kmemcg_id;
302 	struct obj_cgroup __rcu *objcg;
304 	struct list_head objcg_list;
312 	atomic_t		moving_account;
336 	struct mem_cgroup_per_node *nodeinfo[];  argument
346 extern struct mem_cgroup *root_mem_cgroup;  argument