On 08/08, Zihuan Zhang wrote: > > 在 2025/8/7 21:25, Michal Hocko 写道: > >If they are running in the userspace and e.g. sleeping while not > >TASK_FREEZABLE then priority simply makes no difference. And if they are > >TASK_FREEZABLE then the priority doens't matter either. > > > >What am I missing? I too do not understand how can this series improve the freezer. > under ideal conditions, if a userspace task is TASK_FREEZABLE, receives the > freezing() signal, and enters the refrigerator in a timely manner, Note that __freeze_task() won't even send a signal to a sleeping TASK_FREEZABLE task, __freeze_task() will just change its state to TASK_FROZEN. Oleg.
