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Date: Fri, 29 Aug 2003 11:57:28 -0700
From: Mike Fedyk <mfedyk@matchmail.com>
To: Shantanu Goel <sgoel01@yahoo.com>
Cc: Antonio Vargas <wind@cocodriloo.com>, linux-kernel@vger.kernel.org,
       Andrea Arcangeli <andrea@suse.de>,
       Marc-Christian Petersen <m.c.p@wolk-project.de>
Subject: Re: [VM PATCH] Faster reclamation of dirty pages and unused inode/dcache entries in 2.4.22
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	Marc-Christian Petersen <m.c.p@wolk-project.de>
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[CCing AA & MCP]

> --- Mike Fedyk <mfedyk@matchmail.com> wrote:
> > But have you compared your patch with the VM patches
> > in -aa?  Will your
> > patch apply on -aa and make improvements there too?
> > 
> > In other words: Why would I want to use this patch
> > when I could use -aa?

On Fri, Aug 29, 2003 at 11:46:44AM -0700, Shantanu Goel wrote:
> I prefer to run stock kernels so I don't have as much
> experience with the -aa patches.  However, I took a
> look at the relevant code in 2.4.22pre7aa1 and I
> believe my patch should help there as well.  The
> writepage() and page rotation behaviour is similar to
> stock 2.4.22 though the inactive_list is per-classzone
> in -aa.  I am less sure about the inode/dcache part
> though under -aa.

You need to integrate with -aa on the VM.  It has been hard enough for
Andrea to get his stuff in, I doubt you will fair any better.

If your patch shows improvements when applied on -aa Andrea will probably
integrate it.

Marc/Andrea, what do you think?  Any holes to poke in this here patch?