diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 213d5e5..3cee76a 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -164,6 +164,7 @@
 	flush_cache_vmap((unsigned long) area->addr, end);
 	return err;
 }
+EXPORT_SYMBOL_GPL(map_vm_area);
 
 static struct vm_struct *__get_vm_area_node(unsigned long size, unsigned long flags,
 					    unsigned long start, unsigned long end,
@@ -242,6 +243,7 @@
 {
 	return __get_vm_area_node(size, flags, start, end, -1, GFP_KERNEL);
 }
+EXPORT_SYMBOL_GPL(__get_vm_area);
 
 /**
  *	get_vm_area  -  reserve a contingous kernel virtual area