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net,rcu: convert call_rcu(net_generic_release) to kfree_rcu()

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

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-18 12:06:32 +08:00 committed by Paul E. McKenney
parent 6b26223281
commit 04d4dfed8e
1 changed files with 1 additions and 9 deletions
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10
net/core/net_namespace.c
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@ -27,14 +27,6 @@ EXPORT_SYMBOL(init_net);
#define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */
static void net_generic_release(struct rcu_head *rcu)
{
struct net_generic *ng;
ng = container_of(rcu, struct net_generic, rcu);
kfree(ng);
}
static int net_assign_generic(struct net *net, int id, void *data)
{
struct net_generic *ng, *old_ng;
@ -68,7 +60,7 @@ static int net_assign_generic(struct net *net, int id, void *data)
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));
rcu_assign_pointer(net->gen, ng);
call_rcu(&old_ng->rcu, net_generic_release);
kfree_rcu(old_ng, rcu);
assign:
ng->ptr[id - 1] = data;
return 0;