kobj_unmap 575 block/genhd.c kobj_unmap(bdev_map, devt, range); kobj_unmap 577 fs/char_dev.c kobj_unmap(cdev_map, dev, count); kobj_unmap 16 include/linux/kobj_map.h void kobj_unmap(struct kobj_map *, dev_t, unsigned long);