138  * Zone and node-based page accounting with per cpu differentials.
145 static inline void zone_numa_event_add(long x, struct zone *zone,  in zone_numa_event_add()  argument
148 	atomic_long_add(x, &zone->vm_numa_event[item]);  in zone_numa_event_add()
152 static inline unsigned long zone_numa_event_state(struct zone *zone,  in zone_numa_event_state()  argument
155 	return atomic_long_read(&zone->vm_numa_event[item]);  in zone_numa_event_state()
165 static inline void zone_page_state_add(long x, struct zone *zone,  in zone_page_state_add()  argument
168 	atomic_long_add(x, &zone->vm_stat[item]);  in zone_page_state_add()
207 static inline unsigned long zone_page_state(struct zone *zone,  in zone_page_state()  argument
210 	long x = atomic_long_read(&zone->vm_stat[item]);  in zone_page_state()
224 static inline unsigned long zone_page_state_snapshot(struct zone *zone,  in zone_page_state_snapshot()  argument
227 	long x = atomic_long_read(&zone->vm_stat[item]);  in zone_page_state_snapshot()
232 		x += per_cpu_ptr(zone->per_cpu_zonestats, cpu)->vm_stat_diff[item];  in zone_page_state_snapshot()
243 __count_numa_event(struct zone *zone, enum numa_stat_item item)  in __count_numa_event()  argument
245 	struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats;  in __count_numa_event()
251 __count_numa_events(struct zone *zone, enum numa_stat_item item, long delta)  in __count_numa_events()  argument
253 	struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats;  in __count_numa_events()
276 void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
284 void mod_zone_page_state(struct zone *, enum zone_stat_item, long);
293 extern void __inc_zone_state(struct zone *, enum zone_stat_item);
295 extern void dec_zone_state(struct zone *, enum zone_stat_item);
296 extern void __dec_zone_state(struct zone *, enum zone_stat_item);
307 void drain_zonestat(struct zone *zone, struct per_cpu_zonestat *);
309 int calculate_pressure_threshold(struct zone *zone);
310 int calculate_normal_threshold(struct zone *zone);
312 				int (*calculate_pressure)(struct zone *));
317  * The functions directly modify the zone and global counters.
319 static inline void __mod_zone_page_state(struct zone *zone,  in __mod_zone_page_state()  argument
322 	zone_page_state_add(delta, zone, item);  in __mod_zone_page_state()
342 static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item)  in __inc_zone_state()  argument
344 	atomic_long_inc(&zone->vm_stat[item]);  in __inc_zone_state()
354 static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)  in __dec_zone_state()  argument
356 	atomic_long_dec(&zone->vm_stat[item]);  in __dec_zone_state()
414 static inline void drain_zonestat(struct zone *zone,  in drain_zonestat()  argument
490 static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages,  in __mod_zone_freepage_state()  argument
493 	__mod_zone_page_state(zone, NR_FREE_PAGES, nr_pages);  in __mod_zone_freepage_state()
495 		__mod_zone_page_state(zone, NR_FREE_CMA_PAGES, nr_pages);  in __mod_zone_freepage_state()