1 files changed, 21 insertions, 23 deletions

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 8f7d24712dc1..227fd3e9a9c9 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;
 }