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From: Lutz Vieweg <lvml@5t9.de>
To: Ying Han <yinghan@google.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	linux-mm@kvack.org
Subject: Re: "make -j" with memory.(memsw.)limit_in_bytes smaller than required -> livelock, even for unlimited processes
Date: Tue, 21 Jun 2011 18:19:15 +0200	[thread overview]
Message-ID: <4E00C483.5080302@5t9.de> (raw)
In-Reply-To: <BANLkTime3JN9-fAi3Lwx7UdXQo41eQh0iw@mail.gmail.com>

On 06/21/2011 06:01 PM, Ying Han wrote:
> The following patch might not be the root-cause of livelock, but
> should reduce the [kworker/*] in your case.
>
>  From d1372da4d3c6f8051b5b1cf7b5e8b45a8094b388 Mon Sep 17 00:00:00 2001
>
> Can you give a try?

I will first need to move this test to a machine (like my Laptop)
that I can more aggressively reboot without disturbing the
developers on the shared hardware. Will do that asap.

> I don't know which kernel you are using in case
> you don't have this patched yet.

2.6.39.
5 out of 6 hunks in your patch apply to this version, 1 is rejected -
so I guess I should upgrade to a more recent kernel, first.
Would 2.6.39.1 be sufficient or would some non-release kernel
(from which git repository?) be required?

Regards,

Lutz Vieweg

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  reply	other threads:[~2011-06-21 16:19 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-21 14:51 Lutz Vieweg
2011-06-21 16:01 ` Ying Han
2011-06-21 16:19   ` Lutz Vieweg [this message]
2011-06-21 16:28     ` Ying Han
2011-06-21 16:35       ` Lutz Vieweg
2011-06-22  0:10 ` KAMEZAWA Hiroyuki
2011-06-22  1:06   ` KAMEZAWA Hiroyuki
2011-06-22 10:20     ` KAMEZAWA Hiroyuki
2011-06-22 14:37     ` Michal Hocko
2011-06-22  9:53   ` Lutz Vieweg
2011-06-23  6:13     ` KAMEZAWA Hiroyuki

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