diff --git a/[refs] b/[refs]
index f6b929fda609..f414d7035df7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6e21c8f145f5052c1c2fb4a4b41bee01c848159b
+refs/heads/master: c3dce2d89c269d5373a120d4a22fc2426ec992b0
diff --git a/trunk/mm/rmap.c b/trunk/mm/rmap.c
index 28c6cf96d3c4..f5a6966b7eb0 100644
--- a/trunk/mm/rmap.c
+++ b/trunk/mm/rmap.c
@@ -527,6 +527,8 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma)
 	 * If the page is mlock()d, we cannot swap it out.
 	 * If it's recently referenced (perhaps page_referenced
 	 * skipped over this mm) then we should reactivate it.
+	 *
+	 * Pages belonging to VM_RESERVED regions should not happen here.
 	 */
 	if ((vma->vm_flags & (VM_LOCKED|VM_RESERVED)) ||
 			ptep_clear_flush_young(vma, address, pte)) {