2 * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors:
4 * Simon Wunderlich, Marek Lindner
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 static void hash_init(struct hashtable_t *hash)
30 for (i = 0 ; i < hash->size; i++) {
31 INIT_HLIST_HEAD(&hash->table[i]);
32 spin_lock_init(&hash->list_locks[i]);
36 /* free only the hashtable and the hash itself. */
37 void hash_destroy(struct hashtable_t *hash)
39 kfree(hash->list_locks);
44 /* allocates and clears the hash */
45 struct hashtable_t *hash_new(int size)
47 struct hashtable_t *hash;
49 hash = kmalloc(sizeof(struct hashtable_t), GFP_ATOMIC);
53 hash->table = kmalloc(sizeof(struct element_t *) * size, GFP_ATOMIC);
57 hash->list_locks = kmalloc(sizeof(spinlock_t) * size, GFP_ATOMIC);
58 if (!hash->list_locks)