From 2c19fe59496b1f9f4a73119a70edadcad29a4ee9 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <clameter@sgi.com>
Date: Fri, 31 Aug 2007 00:12:08 -0700
Subject: [PATCH] --- yaml --- r: 64641 b: refs/heads/master c:
 3b42d28b2a04b3c9830eb865288239d45eccc402 h: refs/heads/master i:   64639:
 5ce0438dad4ddfcb09a5dbcd88b58556127d9bc7 v: v3

---
 [refs]               | 2 +-
 trunk/mm/mempolicy.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index e6ac5a0337a6..3d27461eb9d0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dec4ad86c2fbea062e9ef9caa6d6e79f7c5e0b12
+refs/heads/master: 3b42d28b2a04b3c9830eb865288239d45eccc402
diff --git a/trunk/mm/mempolicy.c b/trunk/mm/mempolicy.c
index 172abffeb2e3..bb54b88c3d5a 100644
--- a/trunk/mm/mempolicy.c
+++ b/trunk/mm/mempolicy.c
@@ -955,6 +955,11 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
 		goto out;
 	}
 
+	if (!nodes_subset(new, node_online_map)) {
+		err = -EINVAL;
+		goto out;
+	}
+
 	err = security_task_movememory(task);
 	if (err)
 		goto out;