| Message ID | 20190216081955.93243-1-weiyongjun1@huawei.com |
|---|---|
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
| Series | net: sched: using kfree_rcu() to simplify the code | expand |
From: Wei Yongjun <weiyongjun1@huawei.com> Date: Sat, 16 Feb 2019 08:19:55 +0000 > 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> Applied.
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 7e4d1cc..53b25b8 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -526,11 +526,6 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt, return stab; } -static void stab_kfree_rcu(struct rcu_head *head) -{ - kfree(container_of(head, struct qdisc_size_table, rcu)); -} - void qdisc_put_stab(struct qdisc_size_table *tab) { if (!tab) @@ -538,7 +533,7 @@ void qdisc_put_stab(struct qdisc_size_table *tab) if (--tab->refcnt == 0) { list_del(&tab->list); - call_rcu(&tab->rcu, stab_kfree_rcu); + kfree_rcu(tab, rcu); } } EXPORT_SYMBOL(qdisc_put_stab);
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> --- net/sched/sch_api.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)