Fold activate_page_nolock() into activate_page().

=====================================

--- 2.4.19-pre4/mm/swap.c~aa-180-activate_page_cleanup	Tue Mar 26 23:11:35 2002
+++ 2.4.19-pre4-akpm/mm/swap.c	Tue Mar 26 23:11:35 2002
@@ -36,18 +36,17 @@ pager_daemon_t pager_daemon = {
 /*
  * Move an inactive page to the active list.
  */
-static inline void activate_page_nolock(struct page * page)
-{
-	if (PageLRU(page) && !PageActive(page)) {
-		del_page_from_inactive_list(page);
-		add_page_to_active_list(page);
-	}
-}
-
 void activate_page(struct page * page)
 {
 	spin_lock(&pagemap_lru_lock);
-	activate_page_nolock(page);
+	if (PageLRU(page)) {
+		if  (!PageActive(page)) {
+			del_page_from_inactive_list(page);
+			add_page_to_active_list(page);
+			ClearPageReferenced(page);
+		} else
+			SetPageReferenced(page);
+	}
 	spin_unlock(&pagemap_lru_lock);
 }