linux-kernel - Re: [PATCH 2/5] kmod: Use system_unbound

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Message-ID: <alpine.DEB.2.11.1507101252080.21165@east.gentwo.org>
Date:	Fri, 10 Jul 2015 12:52:39 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
cc:	Oleg Nesterov <oleg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/5] kmod: Use system_unbound_wq instead of khelper

On Fri, 10 Jul 2015, Frederic Weisbecker wrote:

> No it's not much configurable. The works are scheduled on tasks that are
> node affine and you can't change that for system_unbound_wq. Only WQ_SYSFS
> workqueues can be overriden on their no_numa property but even there that's
> after the boot and most of the usermodehelper load goes on boot.

Well then lets have at least one thread per NUMA node so that NUMA
affinity works?


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