From: Andrew Morton <akpm@digeo.com>
To: jlnance@unity.ncsu.edu
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.59-mm5
Date: Fri, 24 Jan 2003 11:05:20 -0800 [thread overview]
Message-ID: <20030124110520.63e69314.akpm@digeo.com> (raw)
In-Reply-To: <20030124161729.GA15945@ncsu.edu>
jlnance@unity.ncsu.edu wrote:
>
> On Thu, Jan 23, 2003 at 07:50:44PM -0800, Andrew Morton wrote:
> > So what anticipatory scheduling does is very simple: if an application
> > has performed a read, do *nothing at all* for a few milliseconds. Just
> > return to userspace (or to the filesystem) in the expectation that the
> > application or filesystem will quickly submit another read which is
> > closeby.
>
> Does this affect the faulting in of executable pages as well?
>
Yes. It should in theory decrease average major fault latency when there's
I/O load. That is unproven.
next prev parent reply other threads:[~2003-01-24 18:55 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-24 3:50 2.5.59-mm5 Andrew Morton
2003-01-24 3:50 ` 2.5.59-mm5 Andrew Morton
2003-01-24 11:03 ` 2.5.59-mm5 Alex Bligh - linux-kernel
2003-01-24 11:03 ` 2.5.59-mm5 Alex Bligh - linux-kernel
2003-01-24 11:16 ` 2.5.59-mm5 Andrew Morton
2003-01-24 11:16 ` 2.5.59-mm5 Andrew Morton
2003-01-24 11:23 ` 2.5.59-mm5 Alex Tomas
2003-01-24 11:23 ` 2.5.59-mm5 Alex Tomas
2003-01-24 11:50 ` 2.5.59-mm5 Andrew Morton
2003-01-24 11:50 ` 2.5.59-mm5 Andrew Morton
2003-01-24 12:05 ` 2.5.59-mm5 Alex Tomas
2003-01-24 12:05 ` 2.5.59-mm5 Alex Tomas
2003-01-24 19:12 ` 2.5.59-mm5 Andrew Morton
2003-01-24 19:12 ` 2.5.59-mm5 Andrew Morton
2003-01-24 19:58 ` 2.5.59-mm5 Alex Tomas
2003-01-24 19:58 ` 2.5.59-mm5 Alex Tomas
2003-01-25 17:32 ` 2.5.59-mm5 Ed Tomlinson
2003-01-25 17:41 ` 2.5.59-mm5 Andrew Morton
2003-01-25 20:34 ` 2.5.59-mm5 Ed Tomlinson
2003-01-25 22:33 ` 2.5.59-mm5 Andrew Morton
2003-01-26 1:43 ` 2.5.59-mm5 Ed Tomlinson
2003-01-26 2:17 ` 2.5.59-mm5 Andrew Morton
2003-01-26 3:51 ` 2.5.59-mm5 Ed Tomlinson
2003-01-26 4:04 ` 2.5.59-mm5 Andrew Morton
2003-01-24 15:56 ` 2.5.59-mm5 Oliver Xymoron
2003-01-24 15:56 ` 2.5.59-mm5 Oliver Xymoron
2003-01-24 16:04 ` 2.5.59-mm5 Nick Piggin
2003-01-24 16:04 ` 2.5.59-mm5 Nick Piggin
2003-01-24 17:09 ` 2.5.59-mm5 Giuliano Pochini
2003-01-24 17:09 ` 2.5.59-mm5 Giuliano Pochini
2003-01-24 17:22 ` 2.5.59-mm5 Nick Piggin
2003-01-24 17:22 ` 2.5.59-mm5 Nick Piggin
2003-01-24 19:34 ` 2.5.59-mm5 Valdis.Kletnieks
2003-01-24 20:04 ` 2.5.59-mm5 Jens Axboe
2003-01-24 20:04 ` 2.5.59-mm5 Jens Axboe
2003-01-24 22:02 ` 2.5.59-mm5 Valdis.Kletnieks
2003-01-25 12:28 ` 2.5.59-mm5 Jens Axboe
2003-01-25 12:28 ` 2.5.59-mm5 Jens Axboe
2003-01-24 12:14 ` 2.5.59-mm5 Nikita Danilov
2003-01-24 12:14 ` 2.5.59-mm5 Nikita Danilov
2003-01-24 16:00 ` 2.5.59-mm5 Nick Piggin
2003-01-24 16:00 ` 2.5.59-mm5 Nick Piggin
2003-01-24 11:23 ` 2.5.59-mm5 Jens Axboe
2003-01-24 11:23 ` 2.5.59-mm5 Jens Axboe
2003-01-24 13:59 ` 2.5.59-mm5 got stuck during boot Helge Hafting
2003-01-24 13:59 ` Helge Hafting
2003-01-24 17:44 ` Ed Tomlinson
2003-01-24 17:56 ` Nick Piggin
2003-01-24 19:18 ` Ed Tomlinson
2003-01-24 16:17 ` 2.5.59-mm5 jlnance
2003-01-24 19:05 ` Andrew Morton [this message]
2003-01-25 8:33 ` 2.5.59-mm5 Andres Salomon
2003-01-25 8:33 ` 2.5.59-mm5 Andres Salomon
-- strict thread matches above, loose matches on Subject: below --
2003-01-24 16:59 2.5.59-mm5 Luck, Tony
2003-01-24 21:31 ` 2.5.59-mm5 Andrew Morton
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