Index: /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 22765)
+++ /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 22766)
@@ -4719,4 +4719,5 @@
 }
 
+#ifdef IN_RING3 /* currently only used in ring 3; save some space in the R0 & GC modules */
 /**
  * Flush the specified page if present
@@ -4802,4 +4803,5 @@
     return;
 }
+#endif /* IN_RING3 */
 
 #ifdef IN_RING3