diff --git a/mm/shmem.c b/mm/shmem.c
index a3ba988..7070934 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2723,6 +2723,7 @@
 
 static const struct vm_operations_struct shmem_vm_ops = {
 	.fault		= shmem_fault,
+	.map_pages	= filemap_map_pages,
 #ifdef CONFIG_NUMA
 	.set_policy     = shmem_set_policy,
 	.get_policy     = shmem_get_policy,