mm: balance LRU lists based on relative thrashing

[linux-2.6-microblaze.git] / mm / swap.c

diff --git a/mm/swap.c b/mm/swap.c
index 7d552af..2dc7d39 100644 (file)
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -278,12 +278,15 @@ void rotate_reclaimable_page(struct page *page)
        }
 }
 
-void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages)
+void lru_note_cost(struct page *page)
 {
-       if (file)
-               lruvec->file_cost += nr_pages;
+       struct lruvec *lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page));
+
+       /* Record new data point */
+       if (page_is_file_lru(page))
+               lruvec->file_cost++;
        else
-               lruvec->anon_cost += nr_pages;
+               lruvec->anon_cost++;
 }
 
 static void __activate_page(struct page *page, struct lruvec *lruvec,