From 7b05c90b3302cf3d830dfa6f8961376bcaf43b94 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 21 Nov 2025 22:57:15 +0800 Subject: workqueue: Only assign rescuer work when really needed If the pwq does not need rescue (normal workers have been created or become available), the rescuer can immediately move on to other stalled pwqs. Signed-off-by: Lai Jiangshan Signed-off-by: Tejun Heo --- kernel/workqueue.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'kernel/workqueue.c') diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 0e5ec6e002b1..656715d216b4 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3442,6 +3442,10 @@ static bool assign_rescuer_work(struct pool_workqueue *pwq, struct worker *rescu struct worker_pool *pool = pwq->pool; struct work_struct *work, *n; + /* need rescue? */ + if (!pwq->nr_active || !need_to_create_worker(pool)) + return false; + /* * Slurp in all works issued via this workqueue and * process'em. -- cgit v1.2.3