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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-08-30 11:04:14 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-31 00:50:45 +0400 |
| commit | 6dcd814bd08bc7989f7f3eac9bbe8b20aec0182a (patch) | |
| tree | e8fcde2ef93efa62437aff893477098a1bf8b6a0 | |
| parent | c274f29120eff7852bb2370ae6f05f46de75edbc (diff) | |
| download | linux-6dcd814bd08bc7989f7f3eac9bbe8b20aec0182a.tar.xz | |
net: struct xfrm_tunnel in read_mostly section
tunnel4_handlers chain being scanned for each incoming packet,
make sure it doesnt share an often dirtied cache line.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/ipip.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tunnel4.c | 4 | ||||
| -rw-r--r-- | net/ipv4/xfrm4_tunnel.c | 4 | ||||
| -rw-r--r-- | net/ipv6/sit.c | 2 |
4 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index ec036731a70b..3c6f8f3968a6 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -744,7 +744,7 @@ static void __net_init ipip_fb_tunnel_init(struct net_device *dev) ipn->tunnels_wc[0] = tunnel; } -static struct xfrm_tunnel ipip_handler = { +static struct xfrm_tunnel ipip_handler __read_mostly = { .handler = ipip_rcv, .err_handler = ipip_err, .priority = 1, diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c index 59186ca7808a..942f02da07d8 100644 --- a/net/ipv4/tunnel4.c +++ b/net/ipv4/tunnel4.c @@ -14,8 +14,8 @@ #include <net/protocol.h> #include <net/xfrm.h> -static struct xfrm_tunnel *tunnel4_handlers; -static struct xfrm_tunnel *tunnel64_handlers; +static struct xfrm_tunnel *tunnel4_handlers __read_mostly; +static struct xfrm_tunnel *tunnel64_handlers __read_mostly; static DEFINE_MUTEX(tunnel4_mutex); static inline struct xfrm_tunnel **fam_handlers(unsigned short family) diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c index 41f5982d2087..82806455e859 100644 --- a/net/ipv4/xfrm4_tunnel.c +++ b/net/ipv4/xfrm4_tunnel.c @@ -58,14 +58,14 @@ static int xfrm_tunnel_err(struct sk_buff *skb, u32 info) return -ENOENT; } -static struct xfrm_tunnel xfrm_tunnel_handler = { +static struct xfrm_tunnel xfrm_tunnel_handler __read_mostly = { .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, .priority = 2, }; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -static struct xfrm_tunnel xfrm64_tunnel_handler = { +static struct xfrm_tunnel xfrm64_tunnel_handler __read_mostly = { .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, .priority = 2, diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 4699cd3c3118..86618eb30335 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1132,7 +1132,7 @@ static void __net_init ipip6_fb_tunnel_init(struct net_device *dev) sitn->tunnels_wc[0] = tunnel; } -static struct xfrm_tunnel sit_handler = { +static struct xfrm_tunnel sit_handler __read_mostly = { .handler = ipip6_rcv, .err_handler = ipip6_err, .priority = 1, |