diff --git a/mm/nommu.c b/mm/nommu.c
index 5151c44..c576df7 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1070,6 +1070,7 @@
 	vma->vm_start = vma->vm_pgoff << PAGE_SHIFT;
 	return 0;
 }
+EXPORT_SYMBOL(remap_pfn_range);
 
 void swap_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
 {
@@ -1090,6 +1091,7 @@
 			 int even_cows)
 {
 }
+EXPORT_SYMBOL(unmap_mapping_range);
 
 /*
  * Check that a process has enough memory to allocate a new virtual