From: Kuniyuki Iwashima Date: Tue, 8 Oct 2024 17:29:04 +0000 (-0700) Subject: ipv4: Use per-netns hash table in inet_lookup_ifaddr_rcu(). X-Git-Tag: v6.13-rc1~135^2~363^2~2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=49e613194292ff7750a3f889cd2db012da16f68e;p=linux-block.git ipv4: Use per-netns hash table in inet_lookup_ifaddr_rcu(). Now, all IPv4 addresses are put in the per-netns hash table. Let's use it in inet_lookup_ifaddr_rcu(). Reviewed-by: Eric Dumazet Signed-off-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20241008172906.1326-3-kuniyu@amazon.com Signed-off-by: Jakub Kicinski --- diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 059807a627a6..cf47b5ac061f 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -188,9 +188,8 @@ struct in_ifaddr *inet_lookup_ifaddr_rcu(struct net *net, __be32 addr) u32 hash = inet_addr_hash(net, addr); struct in_ifaddr *ifa; - hlist_for_each_entry_rcu(ifa, &inet_addr_lst[hash], hash) - if (ifa->ifa_local == addr && - net_eq(dev_net(ifa->ifa_dev->dev), net)) + hlist_for_each_entry_rcu(ifa, &net->ipv4.inet_addr_lst[hash], addr_lst) + if (ifa->ifa_local == addr) return ifa; return NULL;