diff --git a/include/mem.h b/include/mem.h
index b3d5a5b2..9c8e5c6b 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -46,7 +46,6 @@ INLINE Bit16u PAGES(Bit32u bytes) {
 	return (Bit16u)(1+(bytes>>12));
 }
 
-
 void MEM_SetupPageHandlers(Bitu startpage,Bitu pages,MEMORY_ReadHandler read,MEMORY_WriteHandler write);
 void MEM_ClearPageHandlers(Bitu startpage,Bitu pages);
 
@@ -56,6 +55,8 @@ void MEM_ClearMapping(Bitu startpage,Bitu pages);
 bool MEM_A20_Enabled(void);
 void MEM_A20_Enable(bool enable);
 
+Bitu MEM_TotalSize(void);			//Memory size in KB 
+
 extern HostPt memory;
 
 /*