From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: Important news regarding the two different patches
Date: Mon, 6 Sep 2010 20:43:37 +0200
Message-ID: <201009062043.37819.rjw__33459.4597145498$1283798853$gmane$org@sisk.pl>
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To: "M. Vefa Bicakci" <bicave@superonline.com>
Cc: linux-pm@lists.linux-foundation.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
List-Id: linux-pm@vger.kernel.org

On Monday, September 06, 2010, M. Vefa Bicakci wrote:
> On 05/09/10 10:08 PM, KOSAKI Motohiro wrote:
> >>> ok, thanks. probably I've catched your point. please feel free to use my reviewed-by
> >>> for your fix.
> >>
> >> Thanks.
> >>
> >> In the meantime, though, I prepared a patch that should address the issue
> >> entirely.  The patch is appended and if it looks good to you, I'd rather use it
> >> instead of the previous one (it is still untested).
> > 
> > Yeah, this one looks nicer to me :)
> > 
> > Thanks, rafael!
> 
> Dear Rafael Wysocki, Kosaki Motohiro and Minchan Kim,
> 
> Upon Kosaki Motohiro's kind request via an off-list e-mail,
> I tested the following two patches separately with a vanilla
> 2.6.35.4 kernel:
> 
> Patch 1:
> 	http://lkml.org/lkml/2010/9/5/86
> 
> Patch 2:
> 	http://kerneltrap.org/mailarchive/linux-kernel/2010/9/4/4615426
> 
> The first of these was prepared by Minchan Kim, and it fixes
> the issue; i.e. no hangs during hibernation with a full tmpfs.

We've already agreed that this patch should be applied.

> However, the second patch, prepared by Rafael Wysocki, does *not*
> fix the problem. I still experience hangs with a full tmpfs upon
> hibernation.

So we still manage to trigger OOM with this approach.

> As always, I am willing to test newer patches and help in debugging
> this issue.

What happens if you apply them both at the same time?

Thanks,
Rafael