rb_insert_augmented
rb_insert_augmented(&this->rb, root, &augment_callbacks);
rb_insert_augmented(&block->rb, root, &gpu_buddy_augment_cb);
rb_insert_augmented(&node->rb_hole_addr, root, &augment_callbacks);
rb_insert_augmented(node, &root->rb_root, augment);
rb_insert_augmented(&node->rb, &root->rb_root, &augment_callbacks);
rb_insert_augmented(&node->shared.rb, &root->rb_root,
rb_insert_augmented(&va->rb_node,
rb_insert_augmented(&sr->tree_node, &sc->ranges, &sr_callbacks);
rb_insert_augmented(node, &root->rb_root, augment);