kobject_action    214 include/linux/kobject.h int kobject_uevent(struct kobject *kobj, enum kobject_action action);
kobject_action    215 include/linux/kobject.h int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
kobject_action    222 include/linux/kobject.h 			enum kobject_action *type);