11 struct zone;
48 /* Types for control the zone type of onlined and offlined memory */
57  * Zone resizing functions
59  * Note: any attempt to resize a zone should has pgdat_resize_lock()
60  * zone_span_writelock() both held. This ensure the size of a zone
63 static inline unsigned zone_span_seqbegin(struct zone *zone)  in zone_span_seqbegin()  argument
65 	return read_seqbegin(&zone->span_seqlock);  in zone_span_seqbegin()
67 static inline int zone_span_seqretry(struct zone *zone, unsigned iv)  in zone_span_seqretry()  argument
69 	return read_seqretry(&zone->span_seqlock, iv);  in zone_span_seqretry()
71 static inline void zone_span_writelock(struct zone *zone)  in zone_span_writelock()  argument
73 	write_seqlock(&zone->span_seqlock);  in zone_span_writelock()
75 static inline void zone_span_writeunlock(struct zone *zone)  in zone_span_writeunlock()  argument
77 	write_sequnlock(&zone->span_seqlock);  in zone_span_writeunlock()
79 static inline void zone_seqlock_init(struct zone *zone)  in zone_seqlock_init()  argument
81 	seqlock_init(&zone->span_seqlock);  in zone_seqlock_init()
83 extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages);
84 extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages);
218 extern void set_zone_contiguous(struct zone *zone);
219 extern void clear_zone_contiguous(struct zone *zone);
230 static inline unsigned zone_span_seqbegin(struct zone *zone)  in zone_span_seqbegin()  argument
234 static inline int zone_span_seqretry(struct zone *zone, unsigned iv)  in zone_span_seqretry()  argument
238 static inline void zone_span_writelock(struct zone *zone) {}  in zone_span_writelock()  argument
239 static inline void zone_span_writeunlock(struct zone *zone) {}  in zone_span_writeunlock()  argument
240 static inline void zone_seqlock_init(struct zone *zone) {}  in zone_seqlock_init()  argument
332 extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
334 extern void remove_pfn_range_from_zone(struct zone *zone,
347 extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,