104 static inline struct task_struct *get_task_struct(struct task_struct *t)  in get_task_struct()  argument
106 	refcount_inc(&t->usage);  in get_task_struct()
107 	return t;  in get_task_struct()
110 extern void __put_task_struct(struct task_struct *t);
113 static inline void put_task_struct(struct task_struct *t)  in put_task_struct()  argument
115 	if (!refcount_dec_and_test(&t->usage))  in put_task_struct()
139 		call_rcu(&t->rcu, __put_task_struct_rcu_cb);  in put_task_struct()
141 		__put_task_struct(t);  in put_task_struct()
144 static inline void put_task_struct_many(struct task_struct *t, int nr)  in put_task_struct_many()  argument
146 	if (refcount_sub_and_test(nr, &t->usage))  in put_task_struct_many()
147 		__put_task_struct(t);  in put_task_struct_many()
173 static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t)  in task_stack_vm_area()  argument
175 	return t->stack_vm_area;  in task_stack_vm_area()
178 static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t)  in task_stack_vm_area()  argument