X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Fswap.c;h=c789d01c9ec31db05803566bc23baee090908366;hb=9a95f3cf7b33d66fa64727cff8cd2f2a9d09f335;hp=9e8e3472248bb8dfa10107fb212974e1343ffa4a;hpb=859862ddd2b6b8dee00498c015ab37f02474b442;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/swap.c b/mm/swap.c
index 9e8e3472248b..c789d01c9ec3 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -501,7 +501,7 @@ static void __activate_page(struct page *page, struct lruvec *lruvec,
 		SetPageActive(page);
 		lru += LRU_ACTIVE;
 		add_page_to_lru_list(page, lruvec, lru);
-		trace_mm_lru_activate(page, page_to_pfn(page));
+		trace_mm_lru_activate(page);
 
 		__count_vm_event(PGACTIVATE);
 		update_page_reclaim_stat(lruvec, file, 1);
@@ -589,6 +589,9 @@ static void __lru_cache_activate_page(struct page *page)
  * inactive,unreferenced	->	inactive,referenced
  * inactive,referenced		->	active,unreferenced
  * active,unreferenced		->	active,referenced
+ *
+ * When a newly allocated page is not yet visible, so safe for non-atomic ops,
+ * __SetPageReferenced(page) may be substituted for mark_page_accessed(page).
  */
 void mark_page_accessed(struct page *page)
 {
@@ -614,17 +617,6 @@ void mark_page_accessed(struct page *page)
 }
 EXPORT_SYMBOL(mark_page_accessed);
 
-/*
- * Used to mark_page_accessed(page) that is not visible yet and when it is
- * still safe to use non-atomic ops
- */
-void init_page_accessed(struct page *page)
-{
-	if (!PageReferenced(page))
-		__SetPageReferenced(page);
-}
-EXPORT_SYMBOL(init_page_accessed);
-
 static void __lru_cache_add(struct page *page)
 {
 	struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
@@ -996,7 +988,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec,
 	SetPageLRU(page);
 	add_page_to_lru_list(page, lruvec, lru);
 	update_page_reclaim_stat(lruvec, file, active);
-	trace_mm_lru_insertion(page, page_to_pfn(page), lru, trace_pagemap_flags(page));
+	trace_mm_lru_insertion(page, lru);
 }
 
 /*