Index: arch/amd64/include/pm.h
===================================================================
--- arch/amd64/include/pm.h	(revision 9fa16b204b1d07e1406cbdc9803f00547dcadfa8)
+++ arch/amd64/include/pm.h	(revision 17b1b995af0dceb89d3a300e9b4f48e5c8a1b799)
@@ -69,4 +69,6 @@
 #define TSS_BASIC_SIZE	104
 #define TSS_IOMAP_SIZE	(16*1024+1)	/* 16K for bitmap + 1 terminating byte for convenience */
+
+#define IO_PORTS	(64*1024)
 
 #ifndef __ASM__