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From: Christoph Lameter <cl@gentwo.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: akpm@linux-foundation.org, Gilad Ben-Yossef <gilad@benyossef.com>,
	Thomas Gleixner <tglx@linutronix.de>, Tejun Heo <tj@kernel.org>,
	John Stultz <johnstul@us.ibm.com>,
	Mike Frysinger <vapier@gentoo.org>,
	Minchan Kim <minchan.kim@gmail.com>,
	Hakan Akkan <hakanakkan@gmail.com>,
	Max Krasnyansky <maxk@qualcomm.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	hughd@google.com, viresh.kumar@linaro.org, hpa@zytor.com,
	mingo@kernel.org, peterz@infradead.org
Subject: Re: vmstat: On demand vmstat workers V8
Date: Fri, 11 Jul 2014 08:56:04 -0500 (CDT)	[thread overview]
Message-ID: <alpine.DEB.2.11.1407110855030.25432@gentwo.org> (raw)
In-Reply-To: <20140711132032.GB26045@localhost.localdomain>

On Fri, 11 Jul 2014, Frederic Weisbecker wrote:

> > @@ -1228,20 +1244,105 @@ static const struct file_operations proc
> >  #ifdef CONFIG_SMP
> >  static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
> >  int sysctl_stat_interval __read_mostly = HZ;
> > +struct cpumask *cpu_stat_off;
>
> I thought you converted it?

Converted what? We still need to keep a cpumask around that tells us which
processor have vmstat running and which do not.


WARNING: multiple messages have this Message-ID (diff)
From: Christoph Lameter <cl@gentwo.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: akpm@linux-foundation.org, Gilad Ben-Yossef <gilad@benyossef.com>,
	Thomas Gleixner <tglx@linutronix.de>, Tejun Heo <tj@kernel.org>,
	John Stultz <johnstul@us.ibm.com>,
	Mike Frysinger <vapier@gentoo.org>,
	Minchan Kim <minchan.kim@gmail.com>,
	Hakan Akkan <hakanakkan@gmail.com>,
	Max Krasnyansky <maxk@qualcomm.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	hughd@google.com, viresh.kumar@linaro.org, hpa@zytor.com,
	mingo@kernel.org, peterz@infradead.org
Subject: Re: vmstat: On demand vmstat workers V8
Date: Fri, 11 Jul 2014 08:56:04 -0500 (CDT)	[thread overview]
Message-ID: <alpine.DEB.2.11.1407110855030.25432@gentwo.org> (raw)
In-Reply-To: <20140711132032.GB26045@localhost.localdomain>

On Fri, 11 Jul 2014, Frederic Weisbecker wrote:

> > @@ -1228,20 +1244,105 @@ static const struct file_operations proc
> >  #ifdef CONFIG_SMP
> >  static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
> >  int sysctl_stat_interval __read_mostly = HZ;
> > +struct cpumask *cpu_stat_off;
>
> I thought you converted it?

Converted what? We still need to keep a cpumask around that tells us which
processor have vmstat running and which do not.

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  reply	other threads:[~2014-07-11 13:56 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-10 14:04 vmstat: On demand vmstat workers V8 Christoph Lameter
2014-07-10 14:04 ` Christoph Lameter
2014-07-11 13:20 ` Frederic Weisbecker
2014-07-11 13:20   ` Frederic Weisbecker
2014-07-11 13:56   ` Christoph Lameter [this message]
2014-07-11 13:56     ` Christoph Lameter
2014-07-11 13:58     ` Frederic Weisbecker
2014-07-11 13:58       ` Frederic Weisbecker
2014-07-11 15:17       ` Christoph Lameter
2014-07-11 15:17         ` Christoph Lameter
2014-07-11 15:19         ` Frederic Weisbecker
2014-07-11 15:19           ` Frederic Weisbecker
2014-07-11 15:22           ` Christoph Lameter
2014-07-11 15:22             ` Christoph Lameter
2014-07-14 20:10             ` Hugh Dickins
2014-07-14 20:10               ` Hugh Dickins
2014-07-14 20:51               ` Christoph Lameter
2014-07-14 20:51                 ` Christoph Lameter
2014-07-30  3:04         ` Lai Jiangshan
2014-07-30  3:04           ` Lai Jiangshan
2014-07-26  2:22 ` Sasha Levin
2014-07-26  2:22   ` Sasha Levin
2014-07-28 18:55   ` Christoph Lameter
2014-07-28 18:55     ` Christoph Lameter
2014-07-28 21:54     ` Andrew Morton
2014-07-28 21:54       ` Andrew Morton
2014-07-28 22:00       ` Sasha Levin
2014-07-28 22:00         ` Sasha Levin
2014-07-29 15:17       ` Christoph Lameter
2014-07-29 15:17         ` Christoph Lameter
2014-07-29  7:56     ` Peter Zijlstra
2014-07-29 12:05       ` Tejun Heo
2014-07-29 12:05         ` Tejun Heo
2014-07-29 12:23         ` Peter Zijlstra
2014-07-29 12:23           ` Peter Zijlstra
2014-07-29 13:12           ` Tejun Heo
2014-07-29 13:12             ` Tejun Heo
2014-07-29 15:10             ` Christoph Lameter
2014-07-29 15:10               ` Christoph Lameter
2014-07-29 15:14               ` Tejun Heo
2014-07-29 15:14                 ` Tejun Heo
2014-07-29 15:26                 ` Christoph Lameter
2014-07-29 15:26                   ` Christoph Lameter
2014-07-29 15:39                 ` Christoph Lameter
2014-07-29 15:39                   ` Christoph Lameter
2014-07-29 15:47                   ` Sasha Levin
2014-07-29 15:47                     ` Sasha Levin
2014-07-29 15:59                     ` Christoph Lameter
2014-07-29 15:59                       ` Christoph Lameter
2014-07-30  3:11                   ` Lai Jiangshan
2014-07-30  3:11                     ` Lai Jiangshan
2014-07-30 14:34                     ` Christoph Lameter
2014-07-30 14:34                       ` Christoph Lameter
2014-07-29 15:22             ` Christoph Lameter
2014-07-29 15:22               ` Christoph Lameter
2014-07-29 15:43               ` Sasha Levin
2014-07-29 15:43                 ` Sasha Levin
2014-08-04 21:37   ` Sasha Levin
2014-08-04 21:37     ` Sasha Levin
2014-08-05 14:51     ` Christoph Lameter
2014-08-05 14:51       ` Christoph Lameter
2014-08-05 22:25       ` Sasha Levin
2014-08-05 22:25         ` Sasha Levin
2014-08-06 14:12         ` Christoph Lameter
2014-08-06 14:12           ` Christoph Lameter
2014-08-07  1:50           ` Sasha Levin
2014-08-07  1:50             ` Sasha Levin
2014-07-30  2:57 ` Lai Jiangshan
2014-07-30  2:57   ` Lai Jiangshan
2014-07-30 14:45   ` Christoph Lameter
2014-07-30 14:45     ` Christoph Lameter
2014-07-31  0:52     ` Lai Jiangshan
2014-07-31  0:52       ` Lai Jiangshan

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