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.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 2e58b6c..52ddd6c 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -42,19 +42,12 @@
[OVS_BAND_ATTR_STATS] = { .len = sizeof(struct ovs_flow_stats) },
};
-static void rcu_free_ovs_meter_callback(struct rcu_head *rcu)
-{
- struct dp_meter *meter = container_of(rcu, struct dp_meter, rcu);
-
- kfree(meter);
-}
-
static void ovs_meter_free(struct dp_meter *meter)
{
if (!meter)
return;
- call_rcu(&meter->rcu, rcu_free_ovs_meter_callback);
+ kfree_rcu(meter, rcu);
}
static struct hlist_head *meter_hash_bucket(const struct datapath *dp,