212 struct mem_cgroup {  struct
216 	struct mem_cgroup_id id;  argument
219 	struct page_counter memory;		/* Both v1 & v2 */
221 	union {
227 	struct page_counter kmem;		/* v1 only */
228 	struct page_counter tcpmem;		/* v1 only */
231 	struct work_struct high_work;
234 	unsigned long zswap_max;
237 	unsigned long soft_limit;
240 	struct vmpressure vmpressure;
266 	struct mem_cgroup_thresholds thresholds;  argument
269 	struct mem_cgroup_thresholds memsw_thresholds;  argument
276 	 * mem_cgroup ? And what type of charges should we move ?  argument
278 	unsigned long move_charge_at_immigrate;
280 	spinlock_t		move_lock;
281 	unsigned long		move_lock_flags;
286 	struct memcg_vmstats	*vmstats;
289 	atomic_long_t		memory_events[MEMCG_NR_MEMORY_EVENTS];
290 	atomic_long_t		memory_events_local[MEMCG_NR_MEMORY_EVENTS];
297 	unsigned long		socket_pressure;
300 	bool			tcpmem_active;
301 	int			tcpmem_pressure;
304 	int kmemcg_id;
305 	struct obj_cgroup __rcu *objcg;
307 	struct list_head objcg_list;
315 	atomic_t		moving_account;
316 	struct task_struct	*move_lock_task;
318 	struct memcg_vmstats_percpu __percpu *vmstats_percpu;
344 	struct mem_cgroup_per_node *nodeinfo[];  argument
354 extern struct mem_cgroup *root_mem_cgroup;  argument