diff --git a/mm/mmap.c b/mm/mmap.c
index 6e447544f07d..439af6d192a0 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1629,6 +1629,7 @@ unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
 	trace_vm_unmapped_area(addr, info);
 	return addr;
 }
+EXPORT_SYMBOL_GPL(vm_unmapped_area);
 
 /* Get an address range which is currently unmapped.
  * For shmat() with addr=0.