diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h
index e79159b..a95afaf 100644
--- a/include/asm-x86/cacheflush.h
+++ b/include/asm-x86/cacheflush.h
@@ -42,6 +42,7 @@
 int set_memory_nx(unsigned long addr, int numpages);
 int set_memory_ro(unsigned long addr, int numpages);
 int set_memory_rw(unsigned long addr, int numpages);
+int set_memory_np(unsigned long addr, int numpages);
 
 void clflush_cache_range(void *addr, int size);