359 struct zone {  struct
525 static inline unsigned long zone_end_pfn(const struct zone *zone)  in zone_end_pfn()  argument
527 	return zone->zone_start_pfn + zone->spanned_pages;  in zone_end_pfn()
530 static inline bool zone_spans_pfn(const struct zone *zone, unsigned long pfn)  in zone_spans_pfn()  argument
532 	return zone->zone_start_pfn <= pfn && pfn < zone_end_pfn(zone);  in zone_spans_pfn()
535 static inline bool zone_is_initialized(struct zone *zone)  in zone_is_initialized()  argument
537 	return zone->initialized;  in zone_is_initialized()
540 static inline bool zone_is_empty(struct zone *zone)  in zone_is_empty()  argument
542 	return zone->spanned_pages == 0;  in zone_is_empty()
549 static inline bool zone_intersects(struct zone *zone,  in zone_intersects()  argument
552 	if (zone_is_empty(zone))  in zone_intersects()
554 	if (start_pfn >= zone_end_pfn(zone) ||  in zone_intersects()
555 	    start_pfn + nr_pages <= zone->zone_start_pfn)  in zone_intersects()
588 	struct zone *zone;	/* Pointer to actual zone */  member
625 	struct zone node_zones[MAX_NR_ZONES];
728 static inline spinlock_t *zone_lru_lock(struct zone *zone)  in zone_lru_lock()  argument
730 	return &zone->zone_pgdat->lru_lock;  in zone_lru_lock()
751 void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order,
753 bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
756 bool zone_watermark_ok(struct zone *z, unsigned int order,
759 bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
765 extern void init_currently_empty_zone(struct zone *zone, unsigned long start_pfn,
796 #define zone_idx(zone)		((zone) - (zone)->zone_pgdat->node_zones)  argument
799 static inline bool is_dev_zone(const struct zone *zone)  in is_dev_zone()  argument
801 	return zone_idx(zone) == ZONE_DEVICE;  in is_dev_zone()
804 static inline bool is_dev_zone(const struct zone *zone)  in is_dev_zone()  argument
816 static inline bool managed_zone(struct zone *zone)  in managed_zone()  argument
818 	return zone->managed_pages;  in managed_zone()
822 static inline bool populated_zone(struct zone *zone)  in populated_zone()  argument
824 	return zone->present_pages;  in populated_zone()
828 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()  argument
830 	return zone->node;  in zone_to_nid()
833 static inline void zone_set_nid(struct zone *zone, int nid)  in zone_set_nid()  argument
835 	zone->node = nid;  in zone_set_nid()
838 static inline int zone_to_nid(struct zone *zone)  in zone_to_nid()  argument
843 static inline void zone_set_nid(struct zone *zone, int nid) {}  in zone_set_nid()  argument
875 static inline int is_highmem(struct zone *zone)  in is_highmem()  argument
878 	return is_highmem_idx(zone_idx(zone));  in is_highmem()
919 extern struct zone *next_zone(struct zone *zone);
936 #define for_each_zone(zone)			        \  argument
937 	for (zone = (first_online_pgdat())->node_zones; \
938 	     zone;					\
939 	     zone = next_zone(zone))
941 #define for_each_populated_zone(zone)		        \  argument
942 	for (zone = (first_online_pgdat())->node_zones; \
943 	     zone;					\
944 	     zone = next_zone(zone))			\
945 		if (!populated_zone(zone))		\
949 static inline struct zone *zonelist_zone(struct zoneref *zoneref)  in zonelist_zone()
951 	return zoneref->zone;  in zonelist_zone()
961 	return zone_to_nid(zoneref->zone);  in zonelist_node_idx()
1024 #define for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1025 	for (z = first_zones_zonelist(zlist, highidx, nodemask), zone = zonelist_zone(z);	\
1026 		zone;							\
1028 			zone = zonelist_zone(z))
1030 #define for_next_zone_zonelist_nodemask(zone, z, zlist, highidx, nodemask) \  argument
1031 	for (zone = z->zone;	\
1032 		zone;							\
1034 			zone = zonelist_zone(z))
1046 #define for_each_zone_zonelist(zone, z, zlist, highidx) \  argument
1047 	for_each_zone_zonelist_nodemask(zone, z, zlist, highidx, NULL)
1323 					struct page *page, struct zone *zone);
1326 					struct page *page, struct zone *zone)  in memmap_valid_within()  argument