From: Shantanu Goel <sgoel01@yahoo.com>
To: Mike Fedyk <mfedyk@matchmail.com>
Cc: Antonio Vargas <wind@cocodriloo.com>, linux-kernel@vger.kernel.org
Subject: Re: [VM PATCH] Faster reclamation of dirty pages and unused inode/dcache entries in 2.4.22
Date: Fri, 29 Aug 2003 11:46:44 -0700 (PDT) [thread overview]
Message-ID: <20030829184644.5968.qmail@web12802.mail.yahoo.com> (raw)
In-Reply-To: <20030829180623.GB27023@matchmail.com>
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.
--- Mike Fedyk <mfedyk@matchmail.com> wrote:
> On Fri, Aug 29, 2003 at 10:55:44AM -0700, Shantanu
> Goel wrote:
> > I am not very knowledgeable about
> micro-optimizations.
> > I'll take your word for it. ;-) What interests
> me
> > more is whether others notice any performance
> > improvement under swapout with this patch given
> that
> > is on the order of milliseconds.
>
> 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?
>
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next prev parent reply other threads:[~2003-08-29 18:46 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-29 15:01 [VM PATCH] Faster reclamation of dirty pages and unused inode/dcache entries in 2.4.22 Shantanu Goel
2003-08-29 14:57 ` Antonio Vargas
2003-08-29 17:55 ` Shantanu Goel
2003-08-29 18:06 ` Mike Fedyk
2003-08-29 18:46 ` Shantanu Goel [this message]
2003-08-29 18:57 ` Mike Fedyk
2003-08-29 19:28 ` Andrea Arcangeli
2003-08-29 19:46 ` Shantanu Goel
2003-08-29 19:55 ` Andrea Arcangeli
2003-08-29 20:20 ` Shantanu Goel
2003-08-30 5:01 ` Antonio Vargas
2003-09-20 13:39 ` A couple of 2.4.23-pre4 VM nits Shantanu Goel
2003-09-21 2:46 ` Andrea Arcangeli
2003-09-21 5:32 ` Shantanu Goel
2003-09-21 14:04 ` Andrea Arcangeli
2003-09-21 14:51 ` Shantanu Goel
2003-09-21 15:14 ` Andrea Arcangeli
2003-09-21 15:28 ` Shantanu Goel
2003-09-21 15:57 ` Andrea Arcangeli
2003-09-21 18:37 ` Marcelo Tosatti
2003-08-29 19:11 ` [VM PATCH] Faster reclamation of dirty pages and unused inode/dcache entries in 2.4.22 Rahul Karnik
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