cpu_is_hotpluggable
EXPORT_SYMBOL_GPL(cpu_is_hotpluggable);
if (cpu >= num_possible_cpus() || cpu == 0 || !cpu_is_hotpluggable(cpu))
if (!cpu_is_hotpluggable(cpu))
extern bool cpu_is_hotpluggable(unsigned cpu);
if (!cpu_is_hotpluggable(1))
if (!cpu_online(cpu) || !cpu_is_hotpluggable(cpu))
if (cpu_online(cpu) || !cpu_is_hotpluggable(cpu))