|  | static inline void | 
|  | add_page_to_active_list(struct zone *zone, struct page *page) | 
|  | { | 
|  | list_add(&page->lru, &zone->active_list); | 
|  | __inc_zone_state(zone, NR_ACTIVE); | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | add_page_to_inactive_list(struct zone *zone, struct page *page) | 
|  | { | 
|  | list_add(&page->lru, &zone->inactive_list); | 
|  | __inc_zone_state(zone, NR_INACTIVE); | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | del_page_from_active_list(struct zone *zone, struct page *page) | 
|  | { | 
|  | list_del(&page->lru); | 
|  | __dec_zone_state(zone, NR_ACTIVE); | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | del_page_from_inactive_list(struct zone *zone, struct page *page) | 
|  | { | 
|  | list_del(&page->lru); | 
|  | __dec_zone_state(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); | 
|  | __dec_zone_state(zone, NR_ACTIVE); | 
|  | } else { | 
|  | __dec_zone_state(zone, NR_INACTIVE); | 
|  | } | 
|  | } | 
|  |  |