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Date: Fri, 24 Jan 2003 11:05:20 -0800
From: Andrew Morton <akpm@digeo.com>
To: jlnance@unity.ncsu.edu
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.59-mm5
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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.


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