linux-kernel - Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages occupied by memmap

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Date:	Thu, 29 Nov 2012 10:52:06 +0000
From:	Chris Clayton <chris2553@...glemail.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Jiang Liu <liuj97@...il.com>, Wen Congyang <wency@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	"Rafael J . Wysocki" <rjw@...k.pl>, Mel Gorman <mgorman@...e.de>,
	Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages
 occupied by memmap

On 11/28/12 23:52, Andrew Morton wrote:
> On Wed, 21 Nov 2012 23:09:46 +0800
> Jiang Liu <liuj97@...il.com> wrote:
>
>> Subject: Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages occupied by memmap
>
> How are people to test this?  "does it boot"?
>

I've been running kernels with Gerry's 5 patches applied for 11 days 
now. This is on a 64bit laptop but with a 32bit kernel + HIGHMEM. I 
joined the conversation because my laptop would not resume from suspend 
to disk - it either froze or rebooted. With the patches applied the 
laptop does successfully resume and has been stable.

Since Monday, I have have been running a kernel with the patches (plus, 
from today, the patch you mailed yesterday) applied to 3.7rc7, without 
problems.

Thanks,
Chris
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