acpi: kacpi*_wq don't need WQ_MEM_RECLAIM

ACPI workqueues aren't used during memory reclaming.  Use
alloc_workqueue() to create workqueues w/o rescuers.

If the purpose of the separation between kacpid_wq and kacpi_notify_wq
was to give notifications better response time, kacpi_notify_wq can be
dropped and kacpi_wq can be created with higher @max_active.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b093181..60a80cb 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1578,9 +1578,9 @@
 
 acpi_status __init acpi_os_initialize1(void)
 {
-	kacpid_wq = create_workqueue("kacpid");
-	kacpi_notify_wq = create_workqueue("kacpi_notify");
-	kacpi_hotplug_wq = create_workqueue("kacpi_hotplug");
+	kacpid_wq = alloc_workqueue("kacpid", 0, 1);
+	kacpi_notify_wq = alloc_workqueue("kacpi_notify", 0, 1);
+	kacpi_hotplug_wq = alloc_workqueue("kacpi_hotplug", 0, 1);
 	BUG_ON(!kacpid_wq);
 	BUG_ON(!kacpi_notify_wq);
 	BUG_ON(!kacpi_hotplug_wq);