local_softirq_pending_ref
#ifndef local_softirq_pending_ref
#define local_softirq_pending() (__this_cpu_read(local_softirq_pending_ref))
#define set_softirq_pending(x) (__this_cpu_write(local_softirq_pending_ref, (x)))
#define or_softirq_pending(x) (__this_cpu_or(local_softirq_pending_ref, (x)))