diff options
Diffstat (limited to 'net/ipv4/icmp.c')
| -rw-r--r-- | net/ipv4/icmp.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 36f5584d93c5..5e564014a0b7 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -205,7 +205,7 @@ static const struct icmp_control icmp_pointers[NR_ICMP_TYPES+1]; */ static struct sock *icmp_sk(struct net *net) { - return net->ipv4.icmp_sk[smp_processor_id()]; + return *this_cpu_ptr(net->ipv4.icmp_sk); } static inline struct sock *icmp_xmit_lock(struct net *net) @@ -1140,8 +1140,8 @@ static void __net_exit icmp_sk_exit(struct net *net) int i; for_each_possible_cpu(i) - inet_ctl_sock_destroy(net->ipv4.icmp_sk[i]); - kfree(net->ipv4.icmp_sk); + inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.icmp_sk, i)); + free_percpu(net->ipv4.icmp_sk); net->ipv4.icmp_sk = NULL; } @@ -1149,9 +1149,8 @@ static int __net_init icmp_sk_init(struct net *net) { int i, err; - net->ipv4.icmp_sk = - kzalloc(nr_cpu_ids * sizeof(struct sock *), GFP_KERNEL); - if (net->ipv4.icmp_sk == NULL) + net->ipv4.icmp_sk = alloc_percpu(struct sock *); + if (!net->ipv4.icmp_sk) return -ENOMEM; for_each_possible_cpu(i) { @@ -1162,7 +1161,7 @@ static int __net_init icmp_sk_init(struct net *net) if (err < 0) goto fail; - net->ipv4.icmp_sk[i] = sk; + *per_cpu_ptr(net->ipv4.icmp_sk, i) = sk; /* Enough space for 2 64K ICMP packets, including * sk_buff/skb_shared_info struct overhead. @@ -1203,8 +1202,8 @@ static int __net_init icmp_sk_init(struct net *net) fail: for_each_possible_cpu(i) - inet_ctl_sock_destroy(net->ipv4.icmp_sk[i]); - kfree(net->ipv4.icmp_sk); + inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.icmp_sk, i)); + free_percpu(net->ipv4.icmp_sk); return err; } |