diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-10-28 13:25:09 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-10-28 13:25:09 -0700 |
| commit | 93adcc80f3288f1827baf6f821af818f6eeef7f9 (patch) | |
| tree | d53faa5267421764ebe8f1d5e83e6eb5bb7ddea6 | |
| parent | def8b4faff5ca349beafbbfeb2c51f3602a6ef3a (diff) | |
| download | linux-93adcc80f3288f1827baf6f821af818f6eeef7f9.tar.bz2 | |
net: don't use INIT_RCU_HEAD
call_rcu() will unconditionally rewrite RCU head anyway.
Applies to
struct neigh_parms
struct neigh_table
struct net
struct cipso_v4_doi
struct in_ifaddr
struct in_device
rt->u.dst
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/core/neighbour.c | 2 | ||||
| -rw-r--r-- | net/core/net_namespace.c | 2 | ||||
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 1 | ||||
| -rw-r--r-- | net/ipv4/devinet.c | 9 | ||||
| -rw-r--r-- | net/ipv4/route.c | 1 |
5 files changed, 1 insertions, 14 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 1dc728b38589..b337a937ea52 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1340,7 +1340,6 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev, if (p) { p->tbl = tbl; atomic_set(&p->refcnt, 1); - INIT_RCU_HEAD(&p->rcu_head); p->reachable_time = neigh_rand_reach_time(p->base_reachable_time); @@ -1412,7 +1411,6 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl) tbl->parms.net = &init_net; #endif atomic_set(&tbl->parms.refcnt, 1); - INIT_RCU_HEAD(&tbl->parms.rcu_head); tbl->parms.reachable_time = neigh_rand_reach_time(tbl->parms.base_reachable_time); diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index f1d07b5c1e17..861b4cbf40db 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -47,7 +47,6 @@ static __net_init int setup_net(struct net *net) goto out; ng->len = INITIAL_NET_GEN_PTRS; - INIT_RCU_HEAD(&ng->rcu); rcu_assign_pointer(net->gen, ng); error = 0; @@ -446,7 +445,6 @@ int net_assign_generic(struct net *net, int id, void *data) */ ng->len = id; - INIT_RCU_HEAD(&ng->rcu); memcpy(&ng->ptr, &old_ng->ptr, old_ng->len); rcu_assign_pointer(net->gen, ng); diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 490e035c6d90..4bcec7f77251 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -490,7 +490,6 @@ int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) } atomic_set(&doi_def->refcount, 1); - INIT_RCU_HEAD(&doi_def->rcu); spin_lock(&cipso_v4_doi_list_lock); if (cipso_v4_doi_search(doi_def->doi) != NULL) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 56fce3ab6c55..0bff576d2918 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -112,13 +112,7 @@ static inline void devinet_sysctl_unregister(struct in_device *idev) static struct in_ifaddr *inet_alloc_ifa(void) { - struct in_ifaddr *ifa = kzalloc(sizeof(*ifa), GFP_KERNEL); - - if (ifa) { - INIT_RCU_HEAD(&ifa->rcu_head); - } - - return ifa; + return kzalloc(sizeof(struct in_ifaddr), GFP_KERNEL); } static void inet_rcu_free_ifa(struct rcu_head *head) @@ -161,7 +155,6 @@ static struct in_device *inetdev_init(struct net_device *dev) in_dev = kzalloc(sizeof(*in_dev), GFP_KERNEL); if (!in_dev) goto out; - INIT_RCU_HEAD(&in_dev->rcu_head); memcpy(&in_dev->cnf, dev_net(dev)->ipv4.devconf_dflt, sizeof(in_dev->cnf)); in_dev->cnf.sysctl = NULL; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ffb2c5705432..e59b4dcf6778 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1386,7 +1386,6 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, /* Copy all the information. */ *rt = *rth; - INIT_RCU_HEAD(&rt->u.dst.rcu_head); rt->u.dst.__use = 1; atomic_set(&rt->u.dst.__refcnt, 1); rt->u.dst.child = NULL; |