percpu_cpu_t
percpu_cpu_t tmp;
percpu_cpu_t pcc;
percpu_cpu_t * const pcc = cpu_percpu(ci);
static percpu_cpu_t *
percpu_cpu_t * const newpcc = p2;
percpu_cpu_t * const pcc = cpu_percpu(ci);
percpu_cpu_t cpu_percpu; /* per-cpu data */