--- arch/i386/kernel/cpu/mtrr/main.c.old	2003-06-11 11:09:43.000000000 +0200
+++ arch/i386/kernel/cpu/mtrr/main.c	2003-06-11 12:03:48.000000000 +0200
@@ -64,7 +64,7 @@
 static void set_mtrr(unsigned int reg, unsigned long base,
 		     unsigned long size, mtrr_type type);
 
-static unsigned int arr3_protected;
+extern int arr3_protected;
 
 void set_mtrr_ops(struct mtrr_ops * ops)
 {