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workqueue: use LIST_HEAD to initialize cull_list 

Use LIST_HEAD() to initialize cull_list instead of open-coding it.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Yang Yingliang 2023-08-04 11:22:15 +08:00 committed by Tejun Heo
parent ace3c5499e
commit 9680540c0c
1 changed files with 2 additions and 5 deletions
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7
kernel/workqueue.c
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@ -2304,9 +2304,8 @@ static void idle_worker_timeout(struct timer_list *t)
static void idle_cull_fn(struct work_struct *work)
{
struct worker_pool *pool = container_of(work, struct worker_pool, idle_cull_work);
struct list_head cull_list;
LIST_HEAD(cull_list);
INIT_LIST_HEAD(&cull_list);
/*
* Grabbing wq_pool_attach_mutex here ensures an already-running worker
* cannot proceed beyong worker_detach_from_pool() in its self-destruct
@ -3872,10 +3871,8 @@ static void rcu_free_pool(struct rcu_head *rcu)
static void put_unbound_pool(struct worker_pool *pool)
{
DECLARE_COMPLETION_ONSTACK(detach_completion);
struct list_head cull_list;
struct worker *worker;
INIT_LIST_HEAD(&cull_list);
LIST_HEAD(cull_list);
lockdep_assert_held(&wq_pool_mutex);