net: sched: using kfree_rcu() to simplify the code (6e07902f) · Commits · 戴 / test

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:

net/sched/sch_api.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -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);