842 struct zone {  struct
855 	 * wasting several GB of ram we must reserve some of the lower zone  argument
866 	struct pglist_data	*zone_pgdat;  argument
868 	struct per_cpu_zonestat	__percpu *per_cpu_zonestats;  argument
886 	unsigned long		zone_start_pfn;  argument
889 	 * spanned_pages is the total pages spanned by the zone, including  argument
946 	 * of pageblock. Protected by zone->lock.  argument
969 	/* zone flags, see below */  argument
970 	unsigned long		flags;
973 	spinlock_t		lock;
983 	unsigned long percpu_drift_mark;
987 	unsigned long		compact_cached_free_pfn;
989 	unsigned long		compact_cached_migrate_pfn[ASYNC_AND_SYNC];
990 	unsigned long		compact_init_migrate_pfn;
991 	unsigned long		compact_init_free_pfn;
1001 	unsigned int		compact_considered;
1002 	unsigned int		compact_defer_shift;
1003 	int			compact_order_failed;
1031 	ZONE_BOOSTED_WATERMARK,		/* zone recently boosted watermarks.  argument
1064 static inline unsigned long zone_managed_pages(struct zone *zone)  in zone_managed_pages()
1069 static inline unsigned long zone_cma_pages(struct zone *zone)  in zone_cma_pages()
1078 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()
1083 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()
1088 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()
1093 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()
1213 static inline bool zone_intersects(struct zone *zone,  in zone_intersects()
1252 	struct zone *zone;	/* Pointer to actual zone */  member
1520 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
1523 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()
1528 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()
1540 static inline bool managed_zone(struct zone *zone)  in managed_zone()
1546 static inline bool populated_zone(struct zone *zone)  in populated_zone()
1552 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()
1557 static inline void zone_set_nid(struct zone *zone, int nid)  in zone_set_nid()
1562 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()
1567 static inline void zone_set_nid(struct zone *zone, int nid) {}  in zone_set_nid()
1589 static inline int is_highmem(struct zone *zone)  in is_highmem()
1637 #define for_each_zone(zone)			        \  argument
1642 #define for_each_populated_zone(zone)		        \  argument
1729 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1735 #define for_next_zone_zonelist_nodemask(zone, z, highidx, nodemask) \  argument
1751 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument