diff --git a/mm/mmap.c b/mm/mmap.c
index 46a0204ca205..b1ca729a11f2 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2214,6 +2214,7 @@ 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);
 
 #ifndef arch_get_mmap_end
 #define arch_get_mmap_end(addr)	(TASK_SIZE)