* freeze_task - send a freeze request to given task
* @p: task to send the request to
*
- * If @p is freezing, the freeze request is sent by setting %TIF_FREEZE
- * flag and either sending a fake signal to it or waking it up, depending
- * on whether it has %PF_FREEZER_NOSIG set.
+ * If @p is freezing, the freeze request is sent either by sending a fake
+ * signal (if it's not a kernel thread) or waking it up (if it's a kernel
+ * thread).
*
* RETURNS:
* %false, if @p is not freezing or already frozen; %true, otherwise