Index: linux_2_4/arch/alpha/kernel/irq_alpha.c
diff -u linux_2_4/arch/alpha/kernel/irq_alpha.c:1.1.1.5 linux_2_4/arch/alpha/kernel/irq_alpha.c:1.1.1.5.190.1
--- linux_2_4/arch/alpha/kernel/irq_alpha.c:1.1.1.5	Sun Feb 11 13:35:02 2001
+++ linux_2_4/arch/alpha/kernel/irq_alpha.c	Thu Jun 21 02:23:28 2001
@@ -18,6 +18,8 @@
 unsigned long __irq_attempt[NR_IRQS];
 #endif
 
+extern unsigned long irq_err_count;
+
 /* Hack minimum IPL during interrupt processing for broken hardware.  */
 #ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
 int __min_ipl;