kcpustat_field
j_cdbs->prev_cpu_nice = kcpustat_field(CPUTIME_NICE, j);
cur_nice = kcpustat_field(CPUTIME_NICE, j);
j_cdbs->prev_cpu_nice = kcpustat_field(CPUTIME_NICE, j);
retval += kcpustat_field(CPUTIME_NICE, cpu);
idle_nsec += kcpustat_field(CPUTIME_IDLE, i);
extern u64 kcpustat_field(enum cpu_usage_stat usage, int cpu);
rsrp->cputime_irq = kcpustat_field(CPUTIME_IRQ, cpu);
rsrp->cputime_softirq = kcpustat_field(CPUTIME_SOFTIRQ, cpu);
rsrp->cputime_system = kcpustat_field(CPUTIME_SYSTEM, cpu);
rsr.cputime_irq = kcpustat_field(CPUTIME_IRQ, cpu);
rsr.cputime_softirq = kcpustat_field(CPUTIME_SOFTIRQ, cpu);
rsr.cputime_system = kcpustat_field(CPUTIME_SYSTEM, cpu);
EXPORT_SYMBOL_GPL(kcpustat_field);
res = kcpustat_field(idx, cpu);