From: Taehee Yoo <ap420...@gmail.com> Date: Sun, 6 Jan 2019 14:34:52 +0900
> How about adding a new PF_UMH flag for task_struct->flags to identify > UMH process? > By using this flag, the exit_umh() can avoid unnecessary lookups. Yes, that might be more efficient and eliminate the high cost for non-UMH tasks.
