From: Anca Emanuel <anca.emanuel@gmail.com>
To: David Rientjes <rientjes@google.com>
Cc: Julian Wollrath <jwollrath@web.de>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Patrik Kullman <patrik.kullman@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: Major performance regressions in 3.7rc1/2
Date: Wed, 24 Oct 2012 02:15:34 +0300 [thread overview]
Message-ID: <CAJL_dMtS-rc1b3s9YZ+9Eapc21vF06aCT23GV8eMp13ZxURvBA@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1210231541350.1221@chino.kir.corp.google.com>
On Wed, Oct 24, 2012 at 1:42 AM, David Rientjes <rientjes@google.com> wrote:
> On Tue, 23 Oct 2012, Anca Emanuel wrote:
>
>> I have the same problem.
>> Reverting
>> https://github.com/torvalds/linux/commit/957f822a0ab95e88b146638bad6209bbc315bedd
>> solves the problem for me.
>>
>
> If you don't revert anything and do
>
> echo 0 > /proc/sys/vm/zone_reclaim_mode
>
> after boot, does this also fix the issue?
Yes.
http://imgur.com/JJwiJ
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next prev parent reply other threads:[~2012-10-23 23:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAGPN=9Qx1JAr6CGO-JfoR2ksTJG_CLLZY_oBA_TFMzA_OSfiFg@mail.gmail.com>
[not found] ` <20121022173315.7b0da762@ilfaris>
[not found] ` <20121022214502.0fde3adc@ilfaris>
2012-10-23 0:04 ` Andrew Morton
2012-10-23 4:20 ` Hugh Dickins
2012-10-23 9:04 ` Julian Wollrath
2012-10-23 10:52 ` Anca Emanuel
2012-10-23 22:42 ` David Rientjes
2012-10-23 23:15 ` Anca Emanuel [this message]
2012-10-24 1:55 ` [patch for-3.7] mm, numa: avoid setting zone_reclaim_mode unless a node is sufficiently distant David Rientjes
2012-10-24 8:38 ` Julian Wollrath
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