On 2021/04/19 11:22, 周传高 wrote: > Some SOC vendors' drivers or user-mode processes may be in D state for a long > time, > and normally they do not configure HUNG TASK, so we need to ignore these > tasks if > we use HUNG TASK.
Isn't that a sign that the quality of the drivers and user-mode processes is poor? Wait should be killable/interruptible if possible (for better response to e.g. OOM-killer).
