--- a/arch/x86/include/asm/hardirq_32.h	Thu Apr 09 12:06:38 2009 +0200
+++ b/arch/x86/include/asm/hardirq_32.h	Thu Apr 09 12:07:21 2009 +0200
@@ -22,6 +22,8 @@
 #define __ARCH_IRQ_STAT
 #define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member)
 
+#define inc_irq_stat(member)	(__get_cpu_var(irq_stat).member++)
+
 void ack_bad_irq(unsigned int irq);
 #include <linux/irq_cpustat.h>