1 /* General purpose hashing library
3 * That's a start of a kernel hashing library, which can be extended
4 * with further algorithms in future. arch_fast_hash{2,}() will
5 * eventually resolve to an architecture optimized implementation.
7 * Copyright 2013 Francesco Fusco <ffusco@redhat.com>
8 * Copyright 2013 Daniel Borkmann <dborkman@redhat.com>
9 * Copyright 2013 Thomas Graf <tgraf@redhat.com>
10 * Licensed under the GNU General Public License, version 2.0 (GPLv2)
13 #include <linux/jhash.h>
14 #include <linux/hash.h>
15 #include <linux/cache.h>
17 static struct fast_hash_ops arch_hash_ops __read_mostly = {
22 u32 arch_fast_hash(const void *data, u32 len, u32 seed)
24 return arch_hash_ops.hash(data, len, seed);
26 EXPORT_SYMBOL_GPL(arch_fast_hash);
28 u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed)
30 return arch_hash_ops.hash2(data, len, seed);
32 EXPORT_SYMBOL_GPL(arch_fast_hash2);
34 static int __init hashlib_init(void)
36 setup_arch_fast_hash(&arch_hash_ops);
39 early_initcall(hashlib_init);