linux-kernel - Re: [patch 3/3] vmstat: Create our own workqueue

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Message-ID: <alpine.DEB.2.20.1510272202120.4647@east.gentwo.org>
Date:	Tue, 27 Oct 2015 22:04:33 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Tejun Heo <htejun@...il.com>
cc:	akpm@...ux-foundation.org, Michal Hocko <mhocko@...nel.org>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, hannes@...xchg.org, mgorman@...e.de
Subject: Re: [patch 3/3] vmstat: Create our own workqueue

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@...ux.com>

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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