diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/pagevec.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/pagevec.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/ANDROID_3.4.5/include/linux/pagevec.h b/ANDROID_3.4.5/include/linux/pagevec.h deleted file mode 100644 index 2aa12b84..00000000 --- a/ANDROID_3.4.5/include/linux/pagevec.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * include/linux/pagevec.h - * - * In many places it is efficient to batch an operation up against multiple - * pages. A pagevec is a multipage container which is used for that. - */ - -#ifndef _LINUX_PAGEVEC_H -#define _LINUX_PAGEVEC_H - -/* 14 pointers + two long's align the pagevec structure to a power of two */ -#define PAGEVEC_SIZE 14 - -struct page; -struct address_space; - -struct pagevec { - unsigned long nr; - unsigned long cold; - struct page *pages[PAGEVEC_SIZE]; -}; - -void __pagevec_release(struct pagevec *pvec); -void __pagevec_lru_add(struct pagevec *pvec, enum lru_list lru); -unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping, - pgoff_t start, unsigned nr_pages); -unsigned pagevec_lookup_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, int tag, - unsigned nr_pages); - -static inline void pagevec_init(struct pagevec *pvec, int cold) -{ - pvec->nr = 0; - pvec->cold = cold; -} - -static inline void pagevec_reinit(struct pagevec *pvec) -{ - pvec->nr = 0; -} - -static inline unsigned pagevec_count(struct pagevec *pvec) -{ - return pvec->nr; -} - -static inline unsigned pagevec_space(struct pagevec *pvec) -{ - return PAGEVEC_SIZE - pvec->nr; -} - -/* - * Add a page to a pagevec. Returns the number of slots still available. - */ -static inline unsigned pagevec_add(struct pagevec *pvec, struct page *page) -{ - pvec->pages[pvec->nr++] = page; - return pagevec_space(pvec); -} - -static inline void pagevec_release(struct pagevec *pvec) -{ - if (pagevec_count(pvec)) - __pagevec_release(pvec); -} - -static inline void __pagevec_lru_add_anon(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_INACTIVE_ANON); -} - -static inline void __pagevec_lru_add_active_anon(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_ACTIVE_ANON); -} - -static inline void __pagevec_lru_add_file(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_INACTIVE_FILE); -} - -static inline void __pagevec_lru_add_active_file(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_ACTIVE_FILE); -} - -static inline void pagevec_lru_add_file(struct pagevec *pvec) -{ - if (pagevec_count(pvec)) - __pagevec_lru_add_file(pvec); -} - -static inline void pagevec_lru_add_anon(struct pagevec *pvec) -{ - if (pagevec_count(pvec)) - __pagevec_lru_add_anon(pvec); -} - -#endif /* _LINUX_PAGEVEC_H */ |