[PATCH 15/36] net,rcu: convert call_rcu(ipv6_mc_socklist_reclaim)to kfree_rcu()

From: Lai Jiangshan
Date: Thu Mar 17 2011 - 23:59:12 EST




The rcu callback ipv6_mc_socklist_reclaim() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(ipv6_mc_socklist_reclaim).

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
---
net/ipv6/mcast.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 49f986d..7f8df31 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);
}
--
1.7.4
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