26 void __pagevec_release(struct pagevec *pvec);
27 void __pagevec_lru_add(struct pagevec *pvec);
28 void pagevec_remove_exceptionals(struct pagevec *pvec);
29 unsigned pagevec_lookup_range(struct pagevec *pvec,
32 static inline unsigned pagevec_lookup(struct pagevec *pvec,  in pagevec_lookup()  argument
36 	return pagevec_lookup_range(pvec, mapping, start, (pgoff_t)-1);  in pagevec_lookup()
39 unsigned pagevec_lookup_range_tag(struct pagevec *pvec,
42 static inline unsigned pagevec_lookup_tag(struct pagevec *pvec,  in pagevec_lookup_tag()  argument
45 	return pagevec_lookup_range_tag(pvec, mapping, index, (pgoff_t)-1, tag);  in pagevec_lookup_tag()
48 static inline void pagevec_init(struct pagevec *pvec)  in pagevec_init()  argument
50 	pvec->nr = 0;  in pagevec_init()
51 	pvec->percpu_pvec_drained = false;  in pagevec_init()
54 static inline void pagevec_reinit(struct pagevec *pvec)  in pagevec_reinit()  argument
56 	pvec->nr = 0;  in pagevec_reinit()
59 static inline unsigned pagevec_count(struct pagevec *pvec)  in pagevec_count()  argument
61 	return pvec->nr;  in pagevec_count()
64 static inline unsigned pagevec_space(struct pagevec *pvec)  in pagevec_space()  argument
66 	return PAGEVEC_SIZE - pvec->nr;  in pagevec_space()
72 static inline unsigned pagevec_add(struct pagevec *pvec, struct page *page)  in pagevec_add()  argument
74 	pvec->pages[pvec->nr++] = page;  in pagevec_add()
75 	return pagevec_space(pvec);  in pagevec_add()
78 static inline void pagevec_release(struct pagevec *pvec)  in pagevec_release()  argument
80 	if (pagevec_count(pvec))  in pagevec_release()
81 		__pagevec_release(pvec);  in pagevec_release()