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

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

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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 11:39:43 +08:00 committed by Paul E. McKenney
parent 10d50e748d
commit fa81c0e1d2
1 changed files with 2 additions and 10 deletions
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12
net/core/drop_monitor.c
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@ -207,14 +207,6 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi)
rcu_read_unlock(); rcu_read_unlock();
} }
static void free_dm_hw_stat(struct rcu_head *head)
{
struct dm_hw_stat_delta *n;
n = container_of(head, struct dm_hw_stat_delta, rcu);
kfree(n);
}
static int set_all_monitor_traces(int state) static int set_all_monitor_traces(int state)
{ {
int rc = 0; int rc = 0;
@ -245,7 +237,7 @@ static int set_all_monitor_traces(int state)
list_for_each_entry_safe(new_stat, temp, &hw_stats_list, list) { list_for_each_entry_safe(new_stat, temp, &hw_stats_list, list) {
if (new_stat->dev == NULL) { if (new_stat->dev == NULL) {
list_del_rcu(&new_stat->list); list_del_rcu(&new_stat->list);
call_rcu(&new_stat->rcu, free_dm_hw_stat); kfree_rcu(new_stat, rcu);
} }
} }
break; break;
@ -314,7 +306,7 @@ static int dropmon_net_event(struct notifier_block *ev_block,
new_stat->dev = NULL; new_stat->dev = NULL;
if (trace_state == TRACE_OFF) { if (trace_state == TRACE_OFF) {
list_del_rcu(&new_stat->list); list_del_rcu(&new_stat->list);
call_rcu(&new_stat->rcu, free_dm_hw_stat); kfree_rcu(new_stat, rcu);
break; break;
} }
} }