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From: Christoph Lameter <cl@linux.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: htejun@gmail.com, akpm@linux-foundation.org, mhocko@kernel.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	torvalds@linux-foundation.org, hannes@cmpxchg.org,
	mgorman@suse.de
Subject: Re: [patch 3/3] vmstat: Create our own workqueue
Date: Mon, 2 Nov 2015 12:10:04 -0600 (CST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1511021209150.28799@east.gentwo.org> (raw)
In-Reply-To: <201511030152.JGF95845.SHVLOMtOJFFOFQ@I-love.SAKURA.ne.jp>

On Tue, 3 Nov 2015, Tetsuo Handa wrote:

> I'm still unclear. I think that the result of this patchset is
>
>   The counters are never updated even after stat_interval
>   if some workqueue item is doing a __GFP_WAIT memory allocation.
>
> but the patch description sounds as if
>
>   The counters will be updated even if some workqueue item is
>   doing a __GFP_WAIT memory allocation.
>
> which denies the actual result I tested with this patchset applied.

Well true that is dependend on the correct workqueue operation. I though
that was fixed by Tejun?


  reply	other threads:[~2015-11-02 18:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-28  2:41 [patch 0/3] vmstat: Various enhancements Christoph Lameter
2015-10-28  2:41 ` [patch 1/3] vmstat: Make pageset processing optional in refresh_cpu_vm_stats Christoph Lameter
2015-10-28  2:41 ` [patch 2/3] vmstat: make vmstat_updater deferrable again and shut down on idle Christoph Lameter
2015-10-28  2:41 ` [patch 3/3] vmstat: Create our own workqueue Christoph Lameter
2015-10-28  2:43   ` Tejun Heo
2015-10-28  3:04     ` Christoph Lameter
2015-10-28 11:57       ` Tetsuo Handa
2015-10-28 22:32         ` Christoph Lameter
2015-10-29  2:24         ` Tejun Heo
2015-10-29  3:08           ` Tejun Heo
2015-10-30  1:01             ` Christoph Lameter
2015-10-31  1:15               ` Tejun Heo
2015-10-31  2:43               ` Tetsuo Handa
2015-11-02 16:12                 ` Christoph Lameter
2015-11-02 16:52                   ` Tetsuo Handa
2015-11-02 18:10                     ` Christoph Lameter [this message]
2015-11-02 19:11                       ` Tejun Heo
2015-11-06 11:28                   ` Tetsuo Handa
2015-11-06 12:56                     ` Christoph Lameter

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