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-rw-r--r--mm/swap.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 1fb25f8bb155..9e8e3472248b 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -614,6 +614,17 @@ 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);