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

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Date:	Mon, 2 Nov 2015 12:10:04 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
cc:	htejun@...il.com, akpm@...ux-foundation.org, mhocko@...nel.org,
	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 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?

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