1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index c3b52bcb171e..6fdc904a5fa5 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -41,6 +41,7 @@
 #ifndef __ASSEMBLY__
 
 extern unsigned long end_pfn;
+extern unsigned long end_pfn_map;
 
 void clear_page(void *);
 void copy_page(void *, void *);