diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index f9e526742fa1817750e0cf591d23ca910ab3fbba..eda2acbb6e81b2895e7645bd21fc8624ad355e7e 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -998,7 +998,7 @@ int set_memory_uc(unsigned long addr, int numpages)
 }
 EXPORT_SYMBOL(set_memory_uc);
 
-int _set_memory_array(unsigned long *addr, int addrinarray,
+static int _set_memory_array(unsigned long *addr, int addrinarray,
 		unsigned long new_type)
 {
 	int i, j;