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-rw-r--r--include/linux/mm_inline.h44
1 files changed, 21 insertions, 23 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 8f7d24712dc..227fd3e9a9c 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -22,26 +22,21 @@ static inline int page_is_file_cache(struct page *page)
}
static inline void
-__add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l,
- struct list_head *head)
+add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
{
- list_add(&page->lru, head);
- __mod_zone_page_state(zone, NR_LRU_BASE + l, hpage_nr_pages(page));
- mem_cgroup_add_lru_list(page, l);
-}
+ struct lruvec *lruvec;
-static inline void
-add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
-{
- __add_page_to_lru_list(zone, page, l, &zone->lru[l].list);
+ lruvec = mem_cgroup_lru_add_list(zone, page, lru);
+ list_add(&page->lru, &lruvec->lists[lru]);
+ __mod_zone_page_state(zone, NR_LRU_BASE + lru, hpage_nr_pages(page));
}
static inline void
-del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
+del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
{
+ mem_cgroup_lru_del_list(page, lru);
list_del(&page->lru);
- __mod_zone_page_state(zone, NR_LRU_BASE + l, -hpage_nr_pages(page));
- mem_cgroup_del_lru_list(page, l);
+ __mod_zone_page_state(zone, NR_LRU_BASE + lru, -hpage_nr_pages(page));
}
/**
@@ -59,24 +54,28 @@ static inline enum lru_list page_lru_base_type(struct page *page)
return LRU_INACTIVE_ANON;
}
-static inline void
-del_page_from_lru(struct zone *zone, struct page *page)
+/**
+ * page_off_lru - which LRU list was page on? clearing its lru flags.
+ * @page: the page to test
+ *
+ * Returns the LRU list a page was on, as an index into the array of LRU
+ * lists; and clears its Unevictable or Active flags, ready for freeing.
+ */
+static inline enum lru_list page_off_lru(struct page *page)
{
- enum lru_list l;
+ enum lru_list lru;
- list_del(&page->lru);
if (PageUnevictable(page)) {
__ClearPageUnevictable(page);
- l = LRU_UNEVICTABLE;
+ lru = LRU_UNEVICTABLE;
} else {
- l = page_lru_base_type(page);
+ lru = page_lru_base_type(page);
if (PageActive(page)) {
__ClearPageActive(page);
- l += LRU_ACTIVE;
+ lru += LRU_ACTIVE;
}
}
- __mod_zone_page_state(zone, NR_LRU_BASE + l, -hpage_nr_pages(page));
- mem_cgroup_del_lru_list(page, l);
+ return lru;
}
/**
@@ -97,7 +96,6 @@ static inline enum lru_list page_lru(struct page *page)
if (PageActive(page))
lru += LRU_ACTIVE;
}
-
return lru;
}