819 struct zone {  struct
831 	 * wasting several GB of ram we must reserve some of the lower zone  argument
842 	struct pglist_data	*zone_pgdat;  argument
844 	struct per_cpu_zonestat	__percpu *per_cpu_zonestats;  argument
862 	unsigned long		zone_start_pfn;  argument
865 	 * spanned_pages is the total pages spanned by the zone, including  argument
922 	 * of pageblock. Protected by zone->lock.  argument
945 	/* zone flags, see below */  argument
946 	unsigned long		flags;
949 	spinlock_t		lock;
959 	unsigned long percpu_drift_mark;
963 	unsigned long		compact_cached_free_pfn;
965 	unsigned long		compact_cached_migrate_pfn[ASYNC_AND_SYNC];
966 	unsigned long		compact_init_migrate_pfn;
967 	unsigned long		compact_init_free_pfn;
977 	unsigned int		compact_considered;
978 	unsigned int		compact_defer_shift;
979 	int			compact_order_failed;
1007 	ZONE_BOOSTED_WATERMARK,		/* zone recently boosted watermarks.  argument
1014 static inline unsigned long zone_managed_pages(struct zone *zone)  in zone_managed_pages()
1019 static inline unsigned long zone_cma_pages(struct zone *zone)  in zone_cma_pages()
1028 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()
1033 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()
1038 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()
1043 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()
1163 static inline bool zone_intersects(struct zone *zone,  in zone_intersects()
1202 	struct zone *zone;	/* Pointer to actual zone */  member
1470 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
1473 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()
1478 static inline bool zone_is_zone_device(struct zone *zone)  in zone_is_zone_device()
1490 static inline bool managed_zone(struct zone *zone)  in managed_zone()
1496 static inline bool populated_zone(struct zone *zone)  in populated_zone()
1502 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()
1507 static inline void zone_set_nid(struct zone *zone, int nid)  in zone_set_nid()
1512 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()
1517 static inline void zone_set_nid(struct zone *zone, int nid) {}  in zone_set_nid()
1539 static inline int is_highmem(struct zone *zone)  in is_highmem()
1587 #define for_each_zone(zone)			        \  argument
1592 #define for_each_populated_zone(zone)		        \  argument
1679 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1685 #define for_next_zone_zonelist_nodemask(zone, z, highidx, nodemask) \  argument
1701 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument