up_read_work 48 kernel/bpf/stackmap.c static DEFINE_PER_CPU(struct stack_map_irq_work, up_read_work); up_read_work 291 kernel/bpf/stackmap.c work = this_cpu_ptr(&up_read_work); up_read_work 627 kernel/bpf/stackmap.c work = per_cpu_ptr(&up_read_work, cpu);