static inline void add_page_to_active_list(struct zone *zone, struct page *page) { list_add(&page->lru, &zone->active_list); zone->nr_active++; } static inline void add_page_to_inactive_list(struct zone *zone, struct page *page) { list_add(&page->lru, &zone->inactive_list); zone->nr_inactive++; } static inline void del_page_from_active_list(struct zone *zone, struct page *page) { list_del(&page->lru); zone->nr_active--; } static inline void del_page_from_inactive_list(struct zone *zone, struct page *page) { list_del(&page->lru); zone->nr_inactive--; } static inline void del_page_from_lru(struct zone *zone, struct page *page) { list_del(&page->lru); if (PageActive(page)) { ClearPageActive(page); zone->nr_active--; } else { zone->nr_inactive--; } }