68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
static inline void
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add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
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{
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list_add(&page->lru, &zone->lru[l].list);
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__inc_zone_state(zone, NR_LRU_BASE + l);
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}
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static inline void
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del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
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{
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list_del(&page->lru);
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__dec_zone_state(zone, NR_LRU_BASE + l);
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}
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static inline void
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add_page_to_active_list(struct zone *zone, struct page *page)
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{
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add_page_to_lru_list(zone, page, LRU_ACTIVE);
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}
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static inline void
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add_page_to_inactive_list(struct zone *zone, struct page *page)
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{
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add_page_to_lru_list(zone, page, LRU_INACTIVE);
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}
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static inline void
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del_page_from_active_list(struct zone *zone, struct page *page)
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{
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del_page_from_lru_list(zone, page, LRU_ACTIVE);
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}
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static inline void
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del_page_from_inactive_list(struct zone *zone, struct page *page)
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{
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del_page_from_lru_list(zone, page, LRU_INACTIVE);
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}
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static inline void
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del_page_from_lru(struct zone *zone, struct page *page)
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{
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enum lru_list l = LRU_INACTIVE;
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list_del(&page->lru);
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if (PageActive(page)) {
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__ClearPageActive(page);
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l = LRU_ACTIVE;
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}
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__dec_zone_state(zone, NR_LRU_BASE + l);
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}
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/**
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* page_lru - which LRU list should a page be on?
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* @page: the page to test
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*
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* Returns the LRU list a page should be on, as an index
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* into the array of LRU lists.
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*/
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static inline enum lru_list page_lru(struct page *page)
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{
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enum lru_list lru = LRU_BASE;
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if (PageActive(page))
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lru += LRU_ACTIVE;
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return lru;
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}
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