13 static struct autogroup autogroup_default;
21 	init_task->signal->autogroup = &autogroup_default;  in autogroup_init()
26 	kfree(tg->autogroup);  in autogroup_free()
31 	struct autogroup *ag = container_of(kref, struct autogroup, kref);  in autogroup_destroy()
42 static inline void autogroup_kref_put(struct autogroup *ag)  in autogroup_kref_put()
47 static inline struct autogroup *autogroup_kref_get(struct autogroup *ag)  in autogroup_kref_get()
53 static inline struct autogroup *autogroup_task_get(struct task_struct *p)  in autogroup_task_get()
55 	struct autogroup *ag;  in autogroup_task_get()
61 	ag = autogroup_kref_get(p->signal->autogroup);  in autogroup_task_get()
67 static inline struct autogroup *autogroup_create(void)  in autogroup_create()
69 	struct autogroup *ag = kzalloc(sizeof(*ag), GFP_KERNEL);  in autogroup_create()
96 	tg->autogroup = ag;  in autogroup_create()
128 autogroup_move_group(struct task_struct *p, struct autogroup *ag)  in autogroup_move_group()
130 	struct autogroup *prev;  in autogroup_move_group()
136 	prev = p->signal->autogroup;  in autogroup_move_group()
142 	p->signal->autogroup = autogroup_kref_get(ag);  in autogroup_move_group()
157 	struct autogroup *ag = autogroup_create();  in sched_autogroup_create_attach()
174 	sig->autogroup = autogroup_task_get(current);  in sched_autogroup_fork()
179 	autogroup_kref_put(sig->autogroup);  in sched_autogroup_exit()
196 	struct autogroup *ag;  in proc_sched_autogroup_set_nice()
229 	struct autogroup *ag = autogroup_task_get(p);  in proc_sched_autogroup_show_task()
249 	return snprintf(buf, buflen, "%s-%ld", "/autogroup", tg->autogroup->id);  in autogroup_path()