705 struct zone {  struct
893 static inline unsigned long zone_managed_pages(struct zone *zone)  in zone_managed_pages()  argument
895 	return (unsigned long)atomic_long_read(&zone->managed_pages);  in zone_managed_pages()
898 static inline unsigned long zone_cma_pages(struct zone *zone)  in zone_cma_pages()  argument
901 	return zone->cma_pages;  in zone_cma_pages()
907 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()  argument
909 	return zone->zone_start_pfn + zone->spanned_pages;  in zone_end_pfn()
912 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()  argument
914 	return zone->zone_start_pfn <= pfn && pfn < zone_end_pfn(zone);  in zone_spans_pfn()
917 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()  argument
919 	return zone->initialized;  in zone_is_initialized()
922 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()  argument
924 	return zone->spanned_pages == 0;  in zone_is_empty()
989 extern void memmap_init_zone_device(struct zone *, unsigned long,
1013 static inline bool zone_intersects(struct zone *zone,  in zone_intersects()  argument
1016 	if (zone_is_empty(zone))  in zone_intersects()
1018 	if (start_pfn >= zone_end_pfn(zone) ||  in zone_intersects()
1019 	    start_pfn + nr_pages <= zone->zone_start_pfn)  in zone_intersects()
1052 	struct zone *zone;	/* Pointer to actual zone */  member
1103 	struct zone node_zones[MAX_NR_ZONES];
1248 void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order,
1250 bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
1253 bool zone_watermark_ok(struct zone *z, unsigned int order,
1256 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
1267 extern void init_currently_empty_zone(struct zone *zone, unsigned long start_pfn,
1290 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
1293 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()  argument
1295 	return zone_idx(zone) == ZONE_DEVICE;  in zone_is_zone_device()
1298 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()  argument
1310 static inline bool managed_zone(struct zone *zone)  in managed_zone()  argument
1312 	return zone_managed_pages(zone);  in managed_zone()
1316 static inline bool populated_zone(struct zone *zone)  in populated_zone()  argument
1318 	return zone->present_pages;  in populated_zone()
1322 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()  argument
1324 	return zone->node;  in zone_to_nid()
1327 static inline void zone_set_nid(struct zone *zone, int nid)  in zone_set_nid()  argument
1329 	zone->node = nid;  in zone_set_nid()
1332 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()  argument
1337 static inline void zone_set_nid(struct zone *zone, int nid) {}  in zone_set_nid()  argument
1359 static inline int is_highmem(struct zone *zone)  in is_highmem()  argument
1361 	return is_highmem_idx(zone_idx(zone));  in is_highmem()
1411 extern struct zone *next_zone(struct zone *zone);
1428 #define for_each_zone(zone)			        \  argument
1429 	for (zone = (first_online_pgdat())->node_zones; \
1430 	     zone;					\
1431 	     zone = next_zone(zone))
1433 #define for_each_populated_zone(zone)		        \  argument
1434 	for (zone = (first_online_pgdat())->node_zones; \
1435 	     zone;					\
1436 	     zone = next_zone(zone))			\
1437 		if (!populated_zone(zone))		\
1441 static inline struct zone *zonelist_zone(struct zoneref *zoneref)  in zonelist_zone()
1443 	return zoneref->zone;  in zonelist_zone()
1453 	return zone_to_nid(zoneref->zone);  in zonelist_node_idx()
1520 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1521 	for (z = first_zones_zonelist(zlist, highidx, nodemask), zone = zonelist_zone(z);	\
1522 		zone;							\
1524 			zone = zonelist_zone(z))
1526 #define for_next_zone_zonelist_nodemask(zone, z, highidx, nodemask) \  argument
1527 	for (zone = z->zone;	\
1528 		zone;							\
1530 			zone = zonelist_zone(z))
1542 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
1543 	for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
1563 	return (!z->zone) ? true : false;  in movable_only_nodes()