diff --git a/[refs] b/[refs]
index ea370a06ee97..776e28ecc516 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4f92e2586b43a2402e116055d4edda704f911b5b
+refs/heads/master: 6ec3a12712ac67ffa4b80d16e0767ffd2431a68d
diff --git a/trunk/mm/mempolicy.c b/trunk/mm/mempolicy.c
index 721b2b338032..75751012c552 100644
--- a/trunk/mm/mempolicy.c
+++ b/trunk/mm/mempolicy.c
@@ -928,7 +928,7 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest,
 	nodes_clear(nmask);
 	node_set(source, nmask);
 
-	check_range(mm, mm->mmap->vm_start, TASK_SIZE, &nmask,
+	check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask,
 			flags | MPOL_MF_DISCONTIG_OK, &pagelist);
 
 	if (!list_empty(&pagelist))