diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 2ed75fb89fc11c619ddd1a66145f0cbdccbd3d38..f64632b671964a0788b43e8d30ae0edb7b292292 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1268,6 +1268,7 @@ void unmap_kernel_range(unsigned long addr, unsigned long size)
 	vunmap_page_range(addr, end);
 	flush_tlb_kernel_range(addr, end);
 }
+EXPORT_SYMBOL_GPL(unmap_kernel_range);
 
 int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 {