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From: Dennis Zhou <dennisz@fb.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>,
	Linux MM <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	<kernel-team@fb.com>
Subject: Re: [PATCH 3/4] percpu: expose statistics about percpu memory via debugfs
Date: Sat, 8 Jul 2017 16:33:15 -0400	[thread overview]
Message-ID: <20170708203314.GA16910@dennisz-mbp> (raw)
In-Reply-To: <CAMuHMdWXR7tN01PArsSA5nwZV1GF=YgNdZuSeNq_ri1GoYSKCQ@mail.gmail.com>

On Fri, Jul 07, 2017 at 10:16:01AM +0200, Geert Uytterhoeven wrote:
> Hi Dennis,
> 
> On Tue, Jun 20, 2017 at 1:28 AM, Dennis Zhou <dennisz@fb.com> wrote:
> 
> Just wondering: does this option make sense to enable on !SMP?
> 
> If not, you may want to make it depend on SMP.
> 
> Thanks!
> 
> Gr{oetje,eeting}s,
> 
>                         Geert

Hi Geert,

The percpu allocator is still used on UP configs, so it would still
provide useful data.

Thanks,
Dennis

WARNING: multiple messages have this Message-ID (diff)
From: Dennis Zhou <dennisz@fb.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>,
	Linux MM <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	kernel-team@fb.com
Subject: Re: [PATCH 3/4] percpu: expose statistics about percpu memory via debugfs
Date: Sat, 8 Jul 2017 16:33:15 -0400	[thread overview]
Message-ID: <20170708203314.GA16910@dennisz-mbp> (raw)
In-Reply-To: <CAMuHMdWXR7tN01PArsSA5nwZV1GF=YgNdZuSeNq_ri1GoYSKCQ@mail.gmail.com>

On Fri, Jul 07, 2017 at 10:16:01AM +0200, Geert Uytterhoeven wrote:
> Hi Dennis,
> 
> On Tue, Jun 20, 2017 at 1:28 AM, Dennis Zhou <dennisz@fb.com> wrote:
> 
> Just wondering: does this option make sense to enable on !SMP?
> 
> If not, you may want to make it depend on SMP.
> 
> Thanks!
> 
> Gr{oetje,eeting}s,
> 
>                         Geert

Hi Geert,

The percpu allocator is still used on UP configs, so it would still
provide useful data.

Thanks,
Dennis

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  reply	other threads:[~2017-07-08 20:33 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-19 23:28 [PATCH 0/4] percpu: add basic stats and tracepoints to percpu allocator Dennis Zhou
2017-06-19 23:28 ` Dennis Zhou
2017-06-19 23:28 ` [PATCH 1/4] percpu: add missing lockdep_assert_held to func pcpu_free_area Dennis Zhou
2017-06-19 23:28   ` Dennis Zhou
2017-06-19 23:28 ` [PATCH 2/4] percpu: migrate percpu data structures to internal header Dennis Zhou
2017-06-19 23:28   ` Dennis Zhou
2017-06-19 23:28 ` [PATCH 3/4] percpu: expose statistics about percpu memory via debugfs Dennis Zhou
2017-06-19 23:28   ` Dennis Zhou
2017-07-07  8:16   ` Geert Uytterhoeven
2017-07-07  8:16     ` Geert Uytterhoeven
2017-07-08 20:33     ` Dennis Zhou [this message]
2017-07-08 20:33       ` Dennis Zhou
2017-06-19 23:28 ` [PATCH 4/4] percpu: add tracepoint support for percpu memory Dennis Zhou
2017-06-19 23:28   ` Dennis Zhou
2017-06-21 16:18   ` Levin, Alexander (Sasha Levin)
2017-06-21 16:18     ` Levin, Alexander (Sasha Levin)
2017-06-21 17:52     ` [PATCH 1/1] percpu: fix early calls for spinlock in pcpu_stats Dennis Zhou
2017-06-21 17:52       ` Dennis Zhou
2017-06-21 17:54       ` Tejun Heo
2017-06-21 17:54         ` Tejun Heo
2017-06-20 17:45 ` [PATCH 0/4] percpu: add basic stats and tracepoints to percpu allocator Tejun Heo
2017-06-20 17:45   ` Tejun Heo
2017-06-20 19:12   ` Dennis Zhou
2017-06-20 19:32     ` Tejun Heo
2017-06-20 19:32       ` Tejun Heo

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