cu_cpu_update
(void) cu_cpu_update(cp, B_TRUE);
(void) cu_cpu_update(cpu, B_TRUE);
int cu_cpu_update(struct cpu *cp, boolean_t move_to);
(void) cu_cpu_update(cp, B_FALSE);
(void) cu_cpu_update(cp, B_FALSE);
extern int cu_cpu_update(struct cpu *, boolean_t);