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author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /net/netfilter/nf_conntrack_ecache.c | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'net/netfilter/nf_conntrack_ecache.c')
-rw-r--r-- | net/netfilter/nf_conntrack_ecache.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c index 83c41ac..a5f5e2e 100644 --- a/net/netfilter/nf_conntrack_ecache.c +++ b/net/netfilter/nf_conntrack_ecache.c @@ -29,9 +29,6 @@ EXPORT_SYMBOL_GPL(nf_conntrack_chain); ATOMIC_NOTIFIER_HEAD(nf_ct_expect_chain); EXPORT_SYMBOL_GPL(nf_ct_expect_chain); -DEFINE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache); -EXPORT_PER_CPU_SYMBOL_GPL(nf_conntrack_ecache); - /* deliver cached events and clear cache entry - must be called with locally * disabled softirqs */ static inline void @@ -51,10 +48,11 @@ __nf_ct_deliver_cached_events(struct nf_conntrack_ecache *ecache) * by code prior to async packet handling for freeing the skb */ void nf_ct_deliver_cached_events(const struct nf_conn *ct) { + struct net *net = nf_ct_net(ct); struct nf_conntrack_ecache *ecache; local_bh_disable(); - ecache = &__get_cpu_var(nf_conntrack_ecache); + ecache = per_cpu_ptr(net->ct.ecache, raw_smp_processor_id()); if (ecache->ct == ct) __nf_ct_deliver_cached_events(ecache); local_bh_enable(); @@ -64,10 +62,11 @@ EXPORT_SYMBOL_GPL(nf_ct_deliver_cached_events); /* Deliver cached events for old pending events, if current conntrack != old */ void __nf_ct_event_cache_init(struct nf_conn *ct) { + struct net *net = nf_ct_net(ct); struct nf_conntrack_ecache *ecache; /* take care of delivering potentially old events */ - ecache = &__get_cpu_var(nf_conntrack_ecache); + ecache = per_cpu_ptr(net->ct.ecache, raw_smp_processor_id()); BUG_ON(ecache->ct == ct); if (ecache->ct) __nf_ct_deliver_cached_events(ecache); @@ -79,18 +78,31 @@ EXPORT_SYMBOL_GPL(__nf_ct_event_cache_init); /* flush the event cache - touches other CPU's data and must not be called * while packets are still passing through the code */ -void nf_ct_event_cache_flush(void) +void nf_ct_event_cache_flush(struct net *net) { struct nf_conntrack_ecache *ecache; int cpu; for_each_possible_cpu(cpu) { - ecache = &per_cpu(nf_conntrack_ecache, cpu); + ecache = per_cpu_ptr(net->ct.ecache, cpu); if (ecache->ct) nf_ct_put(ecache->ct); } } +int nf_conntrack_ecache_init(struct net *net) +{ + net->ct.ecache = alloc_percpu(struct nf_conntrack_ecache); + if (!net->ct.ecache) + return -ENOMEM; + return 0; +} + +void nf_conntrack_ecache_fini(struct net *net) +{ + free_percpu(net->ct.ecache); +} + int nf_conntrack_register_notifier(struct notifier_block *nb) { return atomic_notifier_chain_register(&nf_conntrack_chain, nb); |