From: Taehee Yoo <ap420...@gmail.com> Date: Mon, 7 Jan 2019 21:10:14 +0900
> @@ -679,6 +688,29 @@ static int proc_cap_handler(struct ctl_table *table, int > write, > return 0; > } > > +void exit_umh(struct task_struct *tsk) > +{ > + struct umh_info *info; > + pid_t pid = tsk->pid; > + > + if (!(tsk->flags & PF_UMH)) > + return; Let's really make this low cost. In linux/sched.h or similar: void __exit_umh(struct task_struct *tsk); static inline void exit_umh(struct task_struct *tsk) { if (unlikely(tsk->flags & PF_UMH)) __exit_umh(tsk); } Thank you.