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| author | Tom Herbert <tom@herbertland.com> | 2018-06-27 23:39:00 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-06-29 04:32:55 +0200 |
| commit | b893281715ab4ea0e63034165b4fa11d1bb984c5 (patch) | |
| tree | 99ee652110d9470219f1a81915002ecc92451a23 /net/ipv6/ila | |
| parent | ila: Fix use of rhashtable walk in ila_xlat.c (diff) | |
| download | linux-b893281715ab4ea0e63034165b4fa11d1bb984c5.tar.xz linux-b893281715ab4ea0e63034165b4fa11d1bb984c5.zip | |
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: Tom Herbert <tom@quantonium.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ila')
| -rw-r--r-- | net/ipv6/ila/ila_xlat.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index 40f3f640e856..9cc8beedc2ca 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -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, |