linux-kernel - Re: [PATCH 4/6] sched/isolation: Residual 1Hz scheduler tick offload

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Message-ID: <20180129153908.GU2269@hirez.programming.kicks-ass.net>
Date:   Mon, 29 Jan 2018 16:39:08 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Christoph Lameter <cl@...ux.com>,
        "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
        Wanpeng Li <kernellwp@...il.com>,
        Mike Galbraith <efault@....de>, Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 4/6] sched/isolation: Residual 1Hz scheduler tick offload

On Fri, Jan 19, 2018 at 01:02:18AM +0100, Frederic Weisbecker wrote:
> +	queue_delayed_work(system_unbound_wq, dwork, HZ);

Also, why HZ ? No clues were given.