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