220 	struct zone *zone;  member
327 struct zone {  struct
548 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()  argument
550 	return zone->zone_start_pfn + zone->spanned_pages;  in zone_end_pfn()
553 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()  argument
555 	return zone->zone_start_pfn <= pfn && pfn < zone_end_pfn(zone);  in zone_spans_pfn()
558 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()  argument
560 	return !!zone->wait_table;  in zone_is_initialized()
563 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()  argument
565 	return zone->spanned_pages == 0;  in zone_is_empty()
664 	struct zone *zone;	/* Pointer to actual zone */  member
719 	struct zone node_zones[MAX_NR_ZONES];
792 void build_all_zonelists(pg_data_t *pgdat, struct zone *zone);
793 void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx);
794 bool zone_watermark_ok(struct zone *z, unsigned int order,
796 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
802 extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn,
808 static inline struct zone *lruvec_zone(struct lruvec *lruvec)  in lruvec_zone()
811 	return lruvec->zone;  in lruvec_zone()
813 	return container_of(lruvec, struct zone, lruvec);  in lruvec_zone()
836 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
838 static inline int populated_zone(struct zone *zone)  in populated_zone()  argument
840 	return (!!zone->present_pages);  in populated_zone()
872 static inline int is_highmem(struct zone *zone)  in is_highmem()  argument
875 	int zone_off = (char *)zone - (char *)zone->zone_pgdat->node_zones;  in is_highmem()
876 	return zone_off == ZONE_HIGHMEM * sizeof(*zone) ||  in is_highmem()
877 	       (zone_off == ZONE_MOVABLE * sizeof(*zone) &&  in is_highmem()
917 extern struct zone *next_zone(struct zone *zone);
934 #define for_each_zone(zone)			        \  argument
935 	for (zone = (first_online_pgdat())->node_zones; \
936 	     zone;					\
937 	     zone = next_zone(zone))
939 #define for_each_populated_zone(zone)		        \  argument
940 	for (zone = (first_online_pgdat())->node_zones; \
941 	     zone;					\
942 	     zone = next_zone(zone))			\
943 		if (!populated_zone(zone))		\
947 static inline struct zone *zonelist_zone(struct zoneref *zoneref)  in zonelist_zone()
949 	return zoneref->zone;  in zonelist_zone()
961 	return zoneref->zone->node;  in zonelist_node_idx()
998 					struct zone **zone)  in first_zones_zonelist()  argument
1002 	*zone = zonelist_zone(z);  in first_zones_zonelist()
1017 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1018 	for (z = first_zones_zonelist(zlist, highidx, nodemask, &zone);	\
1019 		zone;							\
1021 			zone = zonelist_zone(z))			\
1032 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
1033 	for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
1261 					struct page *page, struct zone *zone);
1264 					struct page *page, struct zone *zone)  in memmap_valid_within()  argument