diff options
author | Ingo Molnar <mingo@elte.hu> | 2012-03-12 20:44:07 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2012-03-12 20:44:11 +0100 |
commit | 35239e23c66f1614c76739b62a299c3c92d6eb68 (patch) | |
tree | 7b1e068df888ec9a00b43c1dd7517a6490da6a94 /net/ipv4/route.c | |
parent | 3f33ab1c0c741bfab2138c14ba1918a7905a1e8b (diff) | |
parent | 87e24f4b67e68d9fd8df16e0bf9c66d1ad2a2533 (diff) | |
download | lwn-35239e23c66f1614c76739b62a299c3c92d6eb68.tar.gz lwn-35239e23c66f1614c76739b62a299c3c92d6eb68.zip |
Merge branch 'perf/urgent' into perf/core
Merge reason: We are going to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r-- | net/ipv4/route.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bcacf54e5418..019774796174 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -132,7 +132,6 @@ static int ip_rt_mtu_expires __read_mostly = 10 * 60 * HZ; static int ip_rt_min_pmtu __read_mostly = 512 + 20 + 20; static int ip_rt_min_advmss __read_mostly = 256; static int rt_chain_length_max __read_mostly = 20; -static int redirect_genid; static struct delayed_work expires_work; static unsigned long expires_ljiffies; @@ -937,7 +936,7 @@ static void rt_cache_invalidate(struct net *net) get_random_bytes(&shuffle, sizeof(shuffle)); atomic_add(shuffle + 1U, &net->ipv4.rt_genid); - redirect_genid++; + inetpeer_invalidate_tree(AF_INET); } /* @@ -1485,10 +1484,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, peer = rt->peer; if (peer) { - if (peer->redirect_learned.a4 != new_gw || - peer->redirect_genid != redirect_genid) { + if (peer->redirect_learned.a4 != new_gw) { peer->redirect_learned.a4 = new_gw; - peer->redirect_genid = redirect_genid; atomic_inc(&__rt_peer_genid); } check_peer_redir(&rt->dst, peer); @@ -1793,8 +1790,6 @@ static void ipv4_validate_peer(struct rtable *rt) if (peer) { check_peer_pmtu(&rt->dst, peer); - if (peer->redirect_genid != redirect_genid) - peer->redirect_learned.a4 = 0; if (peer->redirect_learned.a4 && peer->redirect_learned.a4 != rt->rt_gateway) check_peer_redir(&rt->dst, peer); @@ -1958,8 +1953,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4, dst_init_metrics(&rt->dst, peer->metrics, false); check_peer_pmtu(&rt->dst, peer); - if (peer->redirect_genid != redirect_genid) - peer->redirect_learned.a4 = 0; + if (peer->redirect_learned.a4 && peer->redirect_learned.a4 != rt->rt_gateway) { rt->rt_gateway = peer->redirect_learned.a4; |