220 	struct zone *zone;  member
327 struct zone {  struct
336 	 * GB of ram we must reserve some of the lower zone memory (otherwise we risk  argument
349 	 * this zone's LRU.  Maintained by the pageout code.  argument
353 	struct pglist_data	*zone_pgdat;  argument
357 	 * This is a per-zone reserve of pages that should not be  argument
372 	 * zone reclaim becomes active if more unmapped pages exist.  argument
379 	unsigned long		zone_start_pfn;  argument
382 	 * spanned_pages is the total pages spanned by the zone, including  argument
430 	 * optimization. Protected by zone->lock.  argument
438 	 * of pageblock. Protected by zone->lock.  argument
440 	unsigned long		nr_isolate_pageblock;
445 	seqlock_t		span_seqlock;
480 	/* zone flags, see below */  argument
481 	unsigned long		flags;
484 	spinlock_t		lock;
492 	struct lruvec		lruvec;
495 	atomic_long_t		inactive_age;
502 	unsigned long percpu_drift_mark;
506 	unsigned long		compact_cached_free_pfn;
508 	unsigned long		compact_cached_migrate_pfn[2];
534 	ZONE_OOM_LOCKED,		/* zone is in OOM killer zonelist */  argument
548 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()
553 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()
558 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()
563 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()
664 	struct zone *zone;	/* Pointer to actual zone */  member
836 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
838 static inline int populated_zone(struct zone *zone)  in populated_zone()
872 static inline int is_highmem(struct zone *zone)  in is_highmem()
934 #define for_each_zone(zone)			        \  argument
939 #define for_each_populated_zone(zone)		        \  argument
998 					struct zone **zone)  in first_zones_zonelist()
1017 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1032 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
1264 					struct page *page, struct zone *zone)  in memmap_valid_within()