cpumask_t irq_affinity[NR_IRQS] = { [0 ... NR_IRQS-1] = CPU_MASK_ALL };
+#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
+cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
+#endif
+
/**
* synchronize_irq - wait for pending IRQ handlers (on other CPUs)
*