/* SPDX-License-Identifier: GPL-2.0-only *//* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */#ifndef _RANGE_TREE_H#define _RANGE_TREE_H 1 struct range_tree {	/* root of interval tree */	struct rb_root_cached it_root;	/* root of rbtree of interval sizes */	struct rb_root_cached range_size_root;}; void range_tree_init(struct range_tree *rt);void range_tree_destroy(struct range_tree *rt); int range_tree_clear(struct range_tree *rt, u32 start, u32 len);int range_tree_set(struct range_tree *rt, u32 start, u32 len);int is_range_tree_set(struct range_tree *rt, u32 start, u32 len);s64 range_tree_find(struct range_tree *rt, u32 len); #endif