Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (78 commits)
  Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"
  net,rcu: convert call_rcu(prl_entry_destroy_rcu) to kfree
  batman,rcu: convert call_rcu(softif_neigh_free_rcu) to kfree_rcu
  batman,rcu: convert call_rcu(neigh_node_free_rcu) to kfree()
  batman,rcu: convert call_rcu(gw_node_free_rcu) to kfree_rcu
  net,rcu: convert call_rcu(kfree_tid_tx) to kfree_rcu()
  net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu()
  net/mac80211,rcu: convert call_rcu(work_free_rcu) to kfree_rcu()
  net,rcu: convert call_rcu(wq_free_rcu) to kfree_rcu()
  net,rcu: convert call_rcu(phonet_device_rcu_free) to kfree_rcu()
  perf,rcu: convert call_rcu(swevent_hlist_release_rcu) to kfree_rcu()
  perf,rcu: convert call_rcu(free_ctx) to kfree_rcu()
  net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu()
  net,rcu: convert call_rcu(net_generic_release) to kfree_rcu()
  net,rcu: convert call_rcu(netlbl_unlhsh_free_addr6) to kfree_rcu()
  net,rcu: convert call_rcu(netlbl_unlhsh_free_addr4) to kfree_rcu()
  security,rcu: convert call_rcu(sel_netif_free) to kfree_rcu()
  net,rcu: convert call_rcu(xps_dev_maps_release) to kfree_rcu()
  net,rcu: convert call_rcu(xps_map_release) to kfree_rcu()
  net,rcu: convert call_rcu(rps_map_release) to kfree_rcu()
  ...

3 files changed, 5 insertions, 26 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a7bda0757053..8f13d88d7dba 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -317,12 +317,6 @@ static void snmp6_free_dev(struct inet6_dev *idev)
 
 /* Nobody refers to this device, we may destroy it. */
 
-static void in6_dev_finish_destroy_rcu(struct rcu_head *head)
-{
-        struct inet6_dev *idev = container_of(head, struct inet6_dev, rcu);
-        kfree(idev);
-}
-
 void in6_dev_finish_destroy(struct inet6_dev *idev)
 {
         struct net_device *dev = idev->dev;
@@ -339,7 +333,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev)
                 return;
         }
         snmp6_free_dev(idev);
-        call_rcu(&idev->rcu, in6_dev_finish_destroy_rcu);
+        kfree_rcu(idev, rcu);
 }
 
 EXPORT_SYMBOL(in6_dev_finish_destroy);
@@ -535,12 +529,6 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
 }
 #endif
 
-static void inet6_ifa_finish_destroy_rcu(struct rcu_head *head)
-{
-        struct inet6_ifaddr *ifp = container_of(head, struct inet6_ifaddr, rcu);
-        kfree(ifp);
-}
-
 /* Nobody refers to this ifaddr, destroy it */
 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
 {
@@ -561,7 +549,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
         }
         dst_release(&ifp->rt->dst);
 
-        call_rcu(&ifp->rcu, inet6_ifa_finish_destroy_rcu);
+        kfree_rcu(ifp, rcu);
 }
 
 static void
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 76b893771e6e..f2d98ca7588a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -201,10 +201,6 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
         return 0;
 }
 
-static void ipv6_mc_socklist_reclaim(struct rcu_head *head)
-{
-        kfree(container_of(head, struct ipv6_mc_socklist, rcu));
-}
 /*
  *      socket leave on multicast group
  */
@@ -239,7 +235,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
                                 (void) ip6_mc_leave_src(sk, mc_lst, NULL);
                         rcu_read_unlock();
                         atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);
-                        call_rcu(&mc_lst->rcu, ipv6_mc_socklist_reclaim);
+                        kfree_rcu(mc_lst, rcu);
                         return 0;
                 }
         }
@@ -307,7 +303,7 @@ void ipv6_sock_mc_close(struct sock *sk)
                 rcu_read_unlock();
 
                 atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);
-                call_rcu(&mc_lst->rcu, ipv6_mc_socklist_reclaim);
+                kfree_rcu(mc_lst, rcu);
 
                 spin_lock(&ipv6_sk_mc_lock);
         }
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 43b33373adb2..5f35d595e4a5 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -401,11 +401,6 @@ out:
         return err;
 }
 
-static void prl_entry_destroy_rcu(struct rcu_head *head)
-{
-        kfree(container_of(head, struct ip_tunnel_prl_entry, rcu_head));
-}
-
 static void prl_list_destroy_rcu(struct rcu_head *head)
 {
         struct ip_tunnel_prl_entry *p, *n;
@@ -433,7 +428,7 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
                      p = &x->next) {
                         if (x->addr == a->addr) {
                                 *p = x->next;
-                                call_rcu(&x->rcu_head, prl_entry_destroy_rcu);
+                                kfree_rcu(x, rcu_head);
                                 t->prl_count--;
                                 goto out;
                         }