220 	struct zone *zone;  member
331 struct zone {  struct
549 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()  argument
551 	return zone->zone_start_pfn + zone->spanned_pages;  in zone_end_pfn()
554 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()  argument
556 	return zone->zone_start_pfn <= pfn && pfn < zone_end_pfn(zone);  in zone_spans_pfn()
559 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()  argument
561 	return !!zone->wait_table;  in zone_is_initialized()
564 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()  argument
566 	return zone->spanned_pages == 0;  in zone_is_empty()
598 	struct zone *zone;	/* Pointer to actual zone */  member
638 	struct zone node_zones[MAX_NR_ZONES];
716 static inline int zone_id(const struct zone *zone)  in zone_id()  argument
718 	struct pglist_data *pgdat = zone->zone_pgdat;  in zone_id()
720 	return zone - pgdat->node_zones;  in zone_id()
724 static inline bool is_dev_zone(const struct zone *zone)  in is_dev_zone()  argument
726 	return zone_id(zone) == ZONE_DEVICE;  in is_dev_zone()
729 static inline bool is_dev_zone(const struct zone *zone)  in is_dev_zone()  argument
738 void build_all_zonelists(pg_data_t *pgdat, struct zone *zone);
739 void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx);
740 bool zone_watermark_ok(struct zone *z, unsigned int order,
742 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
748 extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn,
753 static inline struct zone *lruvec_zone(struct lruvec *lruvec)  in lruvec_zone()
756 	return lruvec->zone;  in lruvec_zone()
758 	return container_of(lruvec, struct zone, lruvec);  in lruvec_zone()
781 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
783 static inline int populated_zone(struct zone *zone)  in populated_zone()  argument
785 	return (!!zone->present_pages);  in populated_zone()
817 static inline int is_highmem(struct zone *zone)  in is_highmem()  argument
820 	int zone_off = (char *)zone - (char *)zone->zone_pgdat->node_zones;  in is_highmem()
821 	return zone_off == ZONE_HIGHMEM * sizeof(*zone) ||  in is_highmem()
822 	       (zone_off == ZONE_MOVABLE * sizeof(*zone) &&  in is_highmem()
862 extern struct zone *next_zone(struct zone *zone);
879 #define for_each_zone(zone)			        \  argument
880 	for (zone = (first_online_pgdat())->node_zones; \
881 	     zone;					\
882 	     zone = next_zone(zone))
884 #define for_each_populated_zone(zone)		        \  argument
885 	for (zone = (first_online_pgdat())->node_zones; \
886 	     zone;					\
887 	     zone = next_zone(zone))			\
888 		if (!populated_zone(zone))		\
892 static inline struct zone *zonelist_zone(struct zoneref *zoneref)  in zonelist_zone()
894 	return zoneref->zone;  in zonelist_zone()
906 	return zoneref->zone->node;  in zonelist_node_idx()
943 					struct zone **zone)  in first_zones_zonelist()  argument
947 	*zone = zonelist_zone(z);  in first_zones_zonelist()
962 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
963 	for (z = first_zones_zonelist(zlist, highidx, nodemask, &zone);	\
964 		zone;							\
966 			zone = zonelist_zone(z))			\
977 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
978 	for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
1211 					struct page *page, struct zone *zone);
1214 					struct page *page, struct zone *zone)  in memmap_valid_within()  argument