---

yaml --- r: 250918 b: refs/heads/master c: 821ed6b h: refs/heads/master v: v3
git-mirror · May 25, 2011 · 24f4bfc · 24f4bfc
1 parent bf8672d
commit 24f4bfc
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2cbea1d3ab11946885d37a2461072ee4d687cb4e
+refs/heads/master: 821ed6bbed3cf41c4050a431eeb822b33868d36a
diff --git a/trunk/mm/swap.c b/trunk/mm/swap.c
@@ -476,6 +476,13 @@ static void drain_cpu_pagevecs(int cpu)
  */
 void deactivate_page(struct page *page)
 {
+	/*
+	 * In a workload with many unevictable page such as mprotect, unevictable
+	 * page deactivation for accelerating reclaim is pointless.
+	 */
+	if (PageUnevictable(page))
+		return;
+
 	if (likely(get_page_unless_zero(page))) {
 		struct pagevec *pvec = &get_cpu_var(lru_deactivate_pvecs);