drm_ht_insert_item
drm_ht_insert_item(&master->magiclist, &entry->hash_item);
ret = drm_ht_insert_item(&dev->map_hash, hash);
ret = drm_ht_insert_item(&mm->offset_hash, &obj->map_list);
EXPORT_SYMBOL(drm_ht_insert_item);
ret = drm_ht_insert_item(ht, item);
extern int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item);
ret = drm_ht_insert_item(ht, &ref->hash);