WF_CURRENT_CPU
return complete_with_flags(x, WF_CURRENT_CPU);
WARN_ON_ONCE(wake_flags & ~(WF_SYNC|WF_CURRENT_CPU));
if ((wake_flags & WF_CURRENT_CPU) &&
__wake_up_common_lock(wq_head, mode, 1, WF_CURRENT_CPU, key);