diff --git a/kernel/softirq.c b/kernel/softirq.c
index c506f26..82e32aa 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -46,7 +46,7 @@
 EXPORT_SYMBOL(irq_stat);
 #endif
 
-static struct softirq_action softirq_vec[32] __cacheline_aligned_in_smp;
+static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp;
 
 static DEFINE_PER_CPU(struct task_struct *, ksoftirqd);