alloc_dr
dr = alloc_dr(release, size, gfp | __GFP_ZERO, nid);
dr = alloc_dr(devm_kmalloc_release, size, gfp, dev_to_node(dev));
new_dr = alloc_dr(devm_kmalloc_release,
dr = alloc_dr(action, data ? sizeof(void*) : 0,
dr = alloc_dr(NULL, size, gfp, dev_to_node(dev->dev));