From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mathias Krause Subject: [PATCHv2 net-next] net: #ifdefify sk_classid member of struct sock Date: Sun, 19 Jul 2015 22:21:13 +0200 Message-ID: <1437337273-16775-1-git-send-email-minipli@googlemail.com> Cc: netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Mathias Krause To: "David S. Miller" , Pablo Neira Ayuso , Patrick McHardy , Jozsef Kadlecsik Return-path: Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org The sk_classid member is only required when CONFIG_CGROUP_NET_CLASSID is enabled. #ifdefify it to reduce the size of struct sock on 32 bit systems, at least. Signed-off-by: Mathias Krause --- v2: - ensure we'll error out in nft_meta_get_init() if CONFIG_CGROUP_NET_CLASSID is not set include/net/sock.h | 2 ++ net/netfilter/nft_meta.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/include/net/sock.h b/include/net/sock.h index 05a8c1aea251..4353ef70bf48 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -429,7 +429,9 @@ struct sock { void *sk_security; #endif __u32 sk_mark; +#ifdef CONFIG_CGROUP_NET_CLASSID u32 sk_classid; +#endif struct cg_proto *sk_cgrp; void (*sk_state_change)(struct sock *sk); void (*sk_data_ready)(struct sock *sk); diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 52561e1c31e2..cb2f13ebb5a6 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -166,11 +166,13 @@ void nft_meta_get_eval(const struct nft_expr *expr, goto err; *dest = out->group; break; +#ifdef CONFIG_CGROUP_NET_CLASSID case NFT_META_CGROUP: if (skb->sk == NULL || !sk_fullsock(skb->sk)) goto err; *dest = skb->sk->sk_classid; break; +#endif default: WARN_ON(1); goto err; @@ -246,7 +248,9 @@ int nft_meta_get_init(const struct nft_ctx *ctx, case NFT_META_CPU: case NFT_META_IIFGROUP: case NFT_META_OIFGROUP: +#ifdef CONFIG_CGROUP_NET_CLASSID case NFT_META_CGROUP: +#endif len = sizeof(u32); break; case NFT_META_IIFNAME: -- 1.7.10.4