Date: Tue, 11 Jul 2017 12:58:41 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
cc: Peter Zijlstra <peterz@infradead.org>,
        "Li, Aubrey" <aubrey.li@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>, Aubrey Li <aubrey.li@intel.com>,
        tglx@linutronix.de, len.brown@intel.com, rjw@rjwysocki.net,
        tim.c.chen@linux.intel.com, arjan@linux.intel.com,
        paulmck@linux.vnet.ibm.com, yang.zhang.wz@gmail.com, x86@kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 00/11] Create fast idle path for short idle
 periods
In-Reply-To: <20170711160926.GA18805@lerouge>
Message-ID: <alpine.DEB.2.20.1707111258020.3575@east.gentwo.org>
References: <1499650721-5928-1-git-send-email-aubrey.li@intel.com> <20170710084647.zs6wkl3fumszd33g@hirez.programming.kicks-ass.net> <20170710144609.GD31832@tassilo.jf.intel.com> <20170710164206.5aon5kelbisxqyxq@hirez.programming.kicks-ass.net>
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On Tue, 11 Jul 2017, Frederic Weisbecker wrote:

> > --- a/kernel/time/tick-sched.c
> > +++ b/kernel/time/tick-sched.c
> > @@ -787,6 +787,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
> >  	if (!ts->tick_stopped) {
> >  		calc_load_nohz_start();
> >  		cpu_load_update_nohz_start();
> > +		quiet_vmstat();
>
> This patch seems to make sense. Christoph?

Ok makes sense to me too. Was never entirely sure where the proper place
would be to call it.