138  * Zone and node-based page accounting with per cpu differentials.
145 static inline void zone_numa_state_add(long x, struct zone *zone,  in zone_numa_state_add()  argument
148 	atomic_long_add(x, &zone->vm_numa_stat[item]);  in zone_numa_state_add()
159 static inline unsigned long zone_numa_state_snapshot(struct zone *zone,  in zone_numa_state_snapshot()  argument
162 	long x = atomic_long_read(&zone->vm_numa_stat[item]);  in zone_numa_state_snapshot()
166 		x += per_cpu_ptr(zone->pageset, cpu)->vm_numa_stat_diff[item];  in zone_numa_state_snapshot()
172 static inline void zone_page_state_add(long x, struct zone *zone,  in zone_page_state_add()  argument
175 	atomic_long_add(x, &zone->vm_stat[item]);  in zone_page_state_add()
214 static inline unsigned long zone_page_state(struct zone *zone,  in zone_page_state()  argument
217 	long x = atomic_long_read(&zone->vm_stat[item]);  in zone_page_state()
231 static inline unsigned long zone_page_state_snapshot(struct zone *zone,  in zone_page_state_snapshot()  argument
234 	long x = atomic_long_read(&zone->vm_stat[item]);  in zone_page_state_snapshot()
239 		x += per_cpu_ptr(zone->pageset, cpu)->vm_stat_diff[item];  in zone_page_state_snapshot()
248 extern void __inc_numa_state(struct zone *zone, enum numa_stat_item item);
263 void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
271 void mod_zone_page_state(struct zone *, enum zone_stat_item, long);
280 extern void __inc_zone_state(struct zone *, enum zone_stat_item);
282 extern void dec_zone_state(struct zone *, enum zone_stat_item);
283 extern void __dec_zone_state(struct zone *, enum zone_stat_item);
294 void drain_zonestat(struct zone *zone, struct per_cpu_pageset *);
296 int calculate_pressure_threshold(struct zone *zone);
297 int calculate_normal_threshold(struct zone *zone);
299 				int (*calculate_pressure)(struct zone *));
304  * The functions directly modify the zone and global counters.
306 static inline void __mod_zone_page_state(struct zone *zone,  in __mod_zone_page_state()  argument
309 	zone_page_state_add(delta, zone, item);  in __mod_zone_page_state()
323 static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item)  in __inc_zone_state()  argument
325 	atomic_long_inc(&zone->vm_stat[item]);  in __inc_zone_state()
335 static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)  in __dec_zone_state()  argument
337 	atomic_long_dec(&zone->vm_stat[item]);  in __dec_zone_state()
395 static inline void drain_zonestat(struct zone *zone,  in drain_zonestat()  argument
399 static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages,  in __mod_zone_freepage_state()  argument
402 	__mod_zone_page_state(zone, NR_FREE_PAGES, nr_pages);  in __mod_zone_freepage_state()
404 		__mod_zone_page_state(zone, NR_FREE_CMA_PAGES, nr_pages);  in __mod_zone_freepage_state()