+// SPDX-License-Identifier: GPL-2.0-only
/*
* lib/btree.c - Simple In-memory B+Tree
*
- * As should be obvious for Linux kernel code, license is GPLv2
- *
* Copyright (c) 2007-2008 Joern Engel <joern@purestorage.com>
* Bits and pieces stolen from Peter Zijlstra's code, which is
* Copyright 2007, Red Hat Inc. Peter Zijlstra
- * GPLv2
*
* see http://programming.kicks-ass.net/kernel-patches/vma_lookup/btree.patch
*