From 6e07902f56fae81036ebc5a0b61d5ffdd739e4bc Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sat, 16 Feb 2019 08:19:55 +0000
Subject: [PATCH] net: sched: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/sched/sch_api.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index b8a388e4bcc4e..352b46f98440a 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);
--
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