diff --git a/mm/percpu.c b/mm/percpu.c
index ad7a37ee74ef..e402d373bad5 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -2231,6 +2231,7 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
 		return page_to_phys(pcpu_addr_to_page(addr)) +
 		       offset_in_page(addr);
 }
+EXPORT_SYMBOL_GPL(per_cpu_ptr_to_phys);
 
 /**
  * pcpu_alloc_alloc_info - allocate percpu allocation info