linux-kernel - Re: [PATCH 2.6.20-rc5 1/1] MM: enhance Linux swap subsystem

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Message-Id: <20070823085640.f6b43ab3.randy.dunlap@oracle.com>
Date:	Thu, 23 Aug 2007 08:56:40 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	"yunfeng zhang" <zyf.zeroos@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org, hugh@...itas.com,
	riel@...hat.com
Subject: Re: [PATCH 2.6.20-rc5 1/1] MM: enhance Linux swap subsystem

On Thu, 23 Aug 2007 17:47:44 +0800 yunfeng zhang wrote:

> Signed-off-by: Yunfeng Zhang <zyf.zeroos@...il.com>
> 
> The mayor change is
> 1) Using nail arithmetic to maximum SwapDevice performance.
> 2) Add PG_pps bit to sign every pps page.
> 3) Some discussion about NUMA.
> See vm_pps.txt
> 
> Index: linux-2.6.22/Documentation/vm_pps.txt
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ linux-2.6.22/Documentation/vm_pps.txt	2007-08-23 17:04:12.051837322 +0800
> @@ -0,0 +1,365 @@
> +
> +                         Pure Private Page System (pps)
> +                              zyf.zeroos@...il.com
> +                              December 24-26, 2006
> +                            Revised on Aug 23, 2007
> +
> +// Purpose <([{
> +The file is used to document the idea which is published firstly at
> +http://www.ussg.iu.edu/hypermail/linux/kernel/0607.2/0451.html, as a part of my
> +OS -- main page http://blog.chinaunix.net/u/21764/index.php. In brief, the
> +patch of the document is for enchancing the performance of Linux swap
> +subsystem. You can find the overview of the idea in section <How to Reclaim
> +Pages more Efficiently> and how I patch it into Linux 2.6.21 in section
> +<Pure Private Page System -- pps>.
> +// }])>

Hi,
What (text) format/markup language is the vm_pps.txt file in?

---
~Randy
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