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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-08-26 18:20:45 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-31 15:55:38 -0400 |
| commit | 80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba (patch) | |
| tree | c6ea2e22f54077651573a67391f3a6696315cf25 /net/openvswitch | |
| parent | fc61b928dc4d72176cf4bd4d30bf1d22e599aefc (diff) | |
| download | lwn-80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba.tar.gz lwn-80f0fd8a7f18af78dd26bf94230e89c3ae82d4ba.zip | |
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.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index b7f38b161909..c7bf2f26525a 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) |