提交 b8932817 编写于 作者: T Tom Herbert 提交者: David S. Miller

ila: Call library function alloc_bucket_locks

To allocate the array of bucket locks for the hash table we now
call library function alloc_bucket_spinlocks.
Signed-off-by: NTom Herbert <tom@quantonium.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 f7a2ba5a
......@@ -31,27 +31,14 @@ struct ila_net {
bool hooks_registered;
};
#define MAX_LOCKS 1024
#define LOCKS_PER_CPU 10
static int alloc_ila_locks(struct ila_net *ilan)
{
unsigned int i, size;
unsigned int nr_pcpus = num_possible_cpus();
nr_pcpus = min_t(unsigned int, nr_pcpus, 32UL);
size = roundup_pow_of_two(nr_pcpus * LOCKS_PER_CPU);
if (sizeof(spinlock_t) != 0) {
ilan->locks = kvmalloc_array(size, sizeof(spinlock_t),
GFP_KERNEL);
if (!ilan->locks)
return -ENOMEM;
for (i = 0; i < size; i++)
spin_lock_init(&ilan->locks[i]);
}
ilan->locks_mask = size - 1;
return 0;
return alloc_bucket_spinlocks(&ilan->locks, &ilan->locks_mask,
MAX_LOCKS, LOCKS_PER_CPU,
GFP_KERNEL);
}
static u32 hashrnd __read_mostly;
......@@ -640,7 +627,7 @@ static __net_exit void ila_exit_net(struct net *net)
rhashtable_free_and_destroy(&ilan->rhash_table, ila_free_cb, NULL);
kvfree(ilan->locks);
free_bucket_spinlocks(ilan->locks);
if (ilan->hooks_registered)
nf_unregister_net_hooks(net, ila_nf_hook_ops,
......
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