Re: 2.5.59-mm5

[Andrew Morton]

[e-mail] 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.