Commit eac0337a authored Sep 16, 2016 by Tejun Heo

slab, workqueue: remove keventd_up() usage

Now that workqueue can handle work item queueing from very early
during boot, there is no need to gate schedule_delayed_work_on() while
!keventd_up().  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org

parent a81f80f3

mm/slab.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -550,12 +550,7 @@ static void start_cpu_timer(int cpu)
		{
		struct delayed_work *reap_work = &per_cpu(slab_reap_work, cpu);

		/*
		* When this gets called from do_initcalls via cpucache_init(),
		* init_workqueues() has already run, so keventd will be setup
		* at that time.
		*/
		if (keventd_up() && reap_work->work.func == NULL) {
		if (reap_work->work.func == NULL) {
		init_reap_node(cpu);
		INIT_DEFERRABLE_WORK(reap_work, cache_reap);
		schedule_delayed_work_on(cpu, reap_work,