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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--;
}
}
/*
* Isolate one page from the LRU lists.
*
* - zone->lru_lock must be held
*/
static inline int __isolate_lru_page(struct page *page)
{
if (unlikely(!TestClearPageLRU(page)))
return 0;
if (get_page_testone(page)) {
/*
* It is being freed elsewhere
*/
__put_page(page);
SetPageLRU(page);
return -ENOENT;
}
return 1;
}
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