diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 4d418e70587802b05aff3ae49e80db7faf47a64c..9277e9ba92b579beb2e541b4a8a0e095bbc92a14 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -466,7 +466,7 @@ void pti_clone_kernel_text(void)
  * the other set_memory.h functions.  Just extern it.
  */
 extern int set_memory_nonglobal(unsigned long addr, int numpages);
-void pti_set_kernel_image_nonglobal(void)
+static void pti_set_kernel_image_nonglobal(void)
 {
 	/*
 	 * The identity map is created with PMDs, regardless of the