11 struct zone;
48 /* Types for control the zone type of onlined and offlined memory */
52 	/* Online the memory. Zone depends, see default_zone_for_pfn(). */
85  * Zone resizing functions
87  * Note: any attempt to resize a zone should has pgdat_resize_lock()
88  * zone_span_writelock() both held. This ensure the size of a zone
91 static inline unsigned zone_span_seqbegin(struct zone *zone)  in zone_span_seqbegin()  argument
93 	return read_seqbegin(&zone->span_seqlock);  in zone_span_seqbegin()
95 static inline int zone_span_seqretry(struct zone *zone, unsigned iv)  in zone_span_seqretry()  argument
97 	return read_seqretry(&zone->span_seqlock, iv);  in zone_span_seqretry()
99 static inline void zone_span_writelock(struct zone *zone)  in zone_span_writelock()  argument
101 	write_seqlock(&zone->span_seqlock);  in zone_span_writelock()
103 static inline void zone_span_writeunlock(struct zone *zone)  in zone_span_writeunlock()  argument
105 	write_sequnlock(&zone->span_seqlock);  in zone_span_writeunlock()
107 static inline void zone_seqlock_init(struct zone *zone)  in zone_seqlock_init()  argument
109 	seqlock_init(&zone->span_seqlock);  in zone_seqlock_init()
111 extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages);
112 extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages);
117 extern struct zone *test_pages_in_a_zone(unsigned long start_pfn,
251 static inline unsigned zone_span_seqbegin(struct zone *zone)  in zone_span_seqbegin()  argument
255 static inline int zone_span_seqretry(struct zone *zone, unsigned iv)  in zone_span_seqretry()  argument
259 static inline void zone_span_writelock(struct zone *zone) {}  in zone_span_writelock()  argument
260 static inline void zone_span_writeunlock(struct zone *zone) {}  in zone_span_writeunlock()  argument
261 static inline void zone_seqlock_init(struct zone *zone) {}  in zone_seqlock_init()  argument
336 extern void set_zone_contiguous(struct zone *zone);
337 extern void clear_zone_contiguous(struct zone *zone);
348 extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
351 extern void remove_pfn_range_from_zone(struct zone *zone,
362 extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,