222 	struct zone *zone;  member
329 struct zone {  struct
551 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()  argument
553 	return zone->zone_start_pfn + zone->spanned_pages;  in zone_end_pfn()
556 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()  argument
558 	return zone->zone_start_pfn <= pfn && pfn < zone_end_pfn(zone);  in zone_spans_pfn()
561 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()  argument
563 	return !!zone->wait_table;  in zone_is_initialized()
566 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()  argument
568 	return zone->spanned_pages == 0;  in zone_is_empty()
667 	struct zone *zone;	/* Pointer to actual zone */  member
722 	struct zone node_zones[MAX_NR_ZONES];
795 void build_all_zonelists(pg_data_t *pgdat, struct zone *zone);
796 void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx);
797 bool zone_watermark_ok(struct zone *z, unsigned int order,
799 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
805 extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn,
811 static inline struct zone *lruvec_zone(struct lruvec *lruvec)  in lruvec_zone()
814 	return lruvec->zone;  in lruvec_zone()
816 	return container_of(lruvec, struct zone, lruvec);  in lruvec_zone()
839 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
841 static inline int populated_zone(struct zone *zone)  in populated_zone()  argument
843 	return (!!zone->present_pages);  in populated_zone()
875 static inline int is_highmem(struct zone *zone)  in is_highmem()  argument
878 	int zone_off = (char *)zone - (char *)zone->zone_pgdat->node_zones;  in is_highmem()
879 	return zone_off == ZONE_HIGHMEM * sizeof(*zone) ||  in is_highmem()
880 	       (zone_off == ZONE_MOVABLE * sizeof(*zone) &&  in is_highmem()
920 extern struct zone *next_zone(struct zone *zone);
937 #define for_each_zone(zone)			        \  argument
938 	for (zone = (first_online_pgdat())->node_zones; \
939 	     zone;					\
940 	     zone = next_zone(zone))
942 #define for_each_populated_zone(zone)		        \  argument
943 	for (zone = (first_online_pgdat())->node_zones; \
944 	     zone;					\
945 	     zone = next_zone(zone))			\
946 		if (!populated_zone(zone))		\
950 static inline struct zone *zonelist_zone(struct zoneref *zoneref)  in zonelist_zone()
952 	return zoneref->zone;  in zonelist_zone()
964 	return zoneref->zone->node;  in zonelist_node_idx()
986 					struct zone **zone);
1003 					struct zone **zone)  in first_zones_zonelist()  argument
1006 								zone);  in first_zones_zonelist()
1020 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1021 	for (z = first_zones_zonelist(zlist, highidx, nodemask, &zone);	\
1022 		zone;							\
1023 		z = next_zones_zonelist(++z, highidx, nodemask, &zone))	\
1034 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
1035 	for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
1263 					struct page *page, struct zone *zone);
1266 					struct page *page, struct zone *zone)  in memmap_valid_within()  argument