diff --git a/include/asm-i386/irq.h b/include/asm-i386/irq.h
index 05b9e61..e2d8bf2 100644
--- a/include/asm-i386/irq.h
+++ b/include/asm-i386/irq.h
@@ -38,4 +38,8 @@
 extern int irqbalance_disable(char *str);
 #endif
 
+#ifdef CONFIG_HOTPLUG_CPU
+extern void fixup_irqs(cpumask_t map);
+#endif
+
 #endif /* _ASM_IRQ_H */