softirq_vec 55 kernel/softirq.c static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp; softirq_vec 278 kernel/softirq.c h = softirq_vec; softirq_vec 286 kernel/softirq.c vec_nr = h - softirq_vec; softirq_vec 457 kernel/softirq.c softirq_vec[nr].action = action;