From: WU Fengguang <wfg@mail.ustc.edu.cn>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>, Jan Kara <jack@suse.cz>,
linux-kernel@vger.kernel.org, npiggin@suse.de
Subject: Re: [PATCH] Improve heuristic detecting sequential reads
Date: Wed, 11 Apr 2007 11:54:48 +0800 [thread overview]
Message-ID: <376263890.06140@ustc.edu.cn> (raw)
Message-ID: <20070411035448.GA4724@mail.ustc.edu.cn> (raw)
In-Reply-To: <20070410164540.6d10ddd7.akpm@linux-foundation.org>
On Tue, Apr 10, 2007 at 04:45:40PM -0700, Andrew Morton wrote:
> On 11 Apr 2007 00:56:51 +0200
> Andi Kleen <andi@firstfloor.org> wrote:
>
> > There's a much more complete patchkit for this that gets reposted
> > regularly on l-k. Perhaps it would make sense to test that first?
>
> adaptive readahead? Has been in -mm for a year. Problem is, it is
> _so_ complete that I just don't know how to merge it. It's huge, and
> only Wu understands it. So it's really rather stuck.
Yeah, it is.
I'll come up with a minimal patch to first simplify the current
readahead algorithm. The code is ready, if ignoring the document ;-)
Wu
next prev parent reply other threads:[~2007-04-11 3:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-10 15:54 [PATCH] Improve heuristic detecting sequential reads Jan Kara
2007-04-10 22:56 ` Andi Kleen
2007-04-10 23:45 ` Andrew Morton
[not found] ` <20070411035448.GA4724@mail.ustc.edu.cn>
2007-04-11 3:54 ` WU Fengguang [this message]
2007-04-11 10:20 ` Andi Kleen
2007-04-11 2:27 ` Andrew Morton
2007-04-11 12:17 ` Jan Kara
2007-04-12 15:57 ` Jan Kara
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