On Wed, 28 Oct 2015, Tejun Heo wrote:
> The only thing necessary here is WQ_MEM_RECLAIM. I don't see how
> WQ_SYSFS and WQ_FREEZABLE make sense here.
Subject: vmstat: Remove WQ_FREEZABLE and WQ_SYSFS
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
Index: linux/mm/vmstat.c
===================================================================
--- linux.orig/mm/vmstat.c
+++ linux/mm/vmstat.c
@@ -1546,8 +1546,6 @@ static int __init setup_vmstat(void)
start_shepherd_timer();
cpu_notifier_register_done();
vmstat_wq = alloc_workqueue("vmstat",
- WQ_FREEZABLE|
- WQ_SYSFS|
WQ_MEM_RECLAIM, 0);
#endif
#ifdef CONFIG_PROC_FS
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