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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-08-26 18:20:45 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-31 15:55:38 -0400
commit80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba (patch)
treec6ea2e22f54077651573a67391f3a6696315cf25 /net/openvswitch
parentfc61b928dc4d72176cf4bd4d30bf1d22e599aefc (diff)
downloadlinux-80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba.tar.gz
openvswitch: using kfree_rcu() to simplify the code
The callback function of call_rcu() just calls a kfree(), so we can use kfree_rcu() instead of call_rcu() + callback function. spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch')
-rw-r--r--net/openvswitch/flow.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index b7f38b16190..c7bf2f26525 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -427,19 +427,11 @@ void ovs_flow_deferred_free(struct sw_flow *flow)
call_rcu(&flow->rcu, rcu_free_flow_callback);
}
-/* RCU callback used by ovs_flow_deferred_free_acts. */
-static void rcu_free_acts_callback(struct rcu_head *rcu)
-{
- struct sw_flow_actions *sf_acts = container_of(rcu,
- struct sw_flow_actions, rcu);
- kfree(sf_acts);
-}
-
/* Schedules 'sf_acts' to be freed after the next RCU grace period.
* The caller must hold rcu_read_lock for this to be sensible. */
void ovs_flow_deferred_free_acts(struct sw_flow_actions *sf_acts)
{
- call_rcu(&sf_acts->rcu, rcu_free_acts_callback);
+ kfree_rcu(sf_acts, rcu);
}
static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key)