diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 4a2cce1e1ce..120588333c7 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -420,7 +420,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_tuple_taken); /* There's a small race here where we may free a just-assured connection. Too bad: we're in trouble anyway. */ -static int early_drop(unsigned int hash) +static noinline int early_drop(unsigned int hash) { /* Use oldest entry, which is roughly LRU */ struct nf_conntrack_tuple_hash *h; @@ -472,8 +472,8 @@ struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig, /* We don't want any race condition at early drop stage */ atomic_inc(&nf_conntrack_count); - if (nf_conntrack_max - && atomic_read(&nf_conntrack_count) > nf_conntrack_max) { + if (nf_conntrack_max && + unlikely(atomic_read(&nf_conntrack_count) > nf_conntrack_max)) { unsigned int hash = hash_conntrack(orig); if (!early_drop(hash)) { atomic_dec(&nf_conntrack_count); |