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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-08-30 10:27:10 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-30 13:50:46 -0700 |
| commit | 3ff2cfa55fb35bb5ea4490fbc82bb3c6771c121b (patch) | |
| tree | 4f67088e323cd49b6748e15fba8951eabb80c308 | |
| parent | 6dcd814bd08bc7989f7f3eac9bbe8b20aec0182a (diff) | |
| download | lwn-3ff2cfa55fb35bb5ea4490fbc82bb3c6771c121b.tar.gz lwn-3ff2cfa55fb35bb5ea4490fbc82bb3c6771c121b.zip | |
ipv6: struct xfrm6_tunnel in read_mostly section
tunnel6_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/ipv6/ip6_tunnel.c | 4 | ||||
| -rw-r--r-- | net/ipv6/tunnel6.c | 4 | ||||
| -rw-r--r-- | net/ipv6/xfrm6_tunnel.c | 4 |
3 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 0fd027f3f47e..29f99dd75bc6 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1372,13 +1372,13 @@ static void __net_init ip6_fb_tnl_dev_init(struct net_device *dev) ip6n->tnls_wc[0] = t; } -static struct xfrm6_tunnel ip4ip6_handler = { +static struct xfrm6_tunnel ip4ip6_handler __read_mostly = { .handler = ip4ip6_rcv, .err_handler = ip4ip6_err, .priority = 1, }; -static struct xfrm6_tunnel ip6ip6_handler = { +static struct xfrm6_tunnel ip6ip6_handler __read_mostly = { .handler = ip6ip6_rcv, .err_handler = ip6ip6_err, .priority = 1, diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c index fc3c86a47452..d203e6df1f8b 100644 --- a/net/ipv6/tunnel6.c +++ b/net/ipv6/tunnel6.c @@ -30,8 +30,8 @@ #include <net/protocol.h> #include <net/xfrm.h> -static struct xfrm6_tunnel *tunnel6_handlers; -static struct xfrm6_tunnel *tunnel46_handlers; +static struct xfrm6_tunnel *tunnel6_handlers __read_mostly; +static struct xfrm6_tunnel *tunnel46_handlers __read_mostly; static DEFINE_MUTEX(tunnel6_mutex); int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family) diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 2ce3a8278f26..ac7584b946a5 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -317,13 +317,13 @@ static const struct xfrm_type xfrm6_tunnel_type = { .output = xfrm6_tunnel_output, }; -static struct xfrm6_tunnel xfrm6_tunnel_handler = { +static struct xfrm6_tunnel xfrm6_tunnel_handler __read_mostly = { .handler = xfrm6_tunnel_rcv, .err_handler = xfrm6_tunnel_err, .priority = 2, }; -static struct xfrm6_tunnel xfrm46_tunnel_handler = { +static struct xfrm6_tunnel xfrm46_tunnel_handler __read_mostly = { .handler = xfrm6_tunnel_rcv, .err_handler = xfrm6_tunnel_err, .priority = 2, |