--- a/arch/x86/include/asm/hardirq_64.h	Thu Apr 09 12:06:38 2009 +0200
+++ b/arch/x86/include/asm/hardirq_64.h	Thu Apr 09 12:07:21 2009 +0200
@@ -12,6 +12,8 @@
 
 #define __ARCH_IRQ_STAT 1
 
+#define inc_irq_stat(member)	add_pda(member, 1)
+
 #define local_softirq_pending() read_pda(__softirq_pending)
 
 #define __ARCH_SET_SOFTIRQ_PENDING 1