lkml.org 
[lkml]   [2001]   [Sep]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: broken VM in 2.4.10-pre9
On 23 Sep 2001, Eric W. Biederman wrote:
> Rik van Riel <riel@conectiva.com.br> writes:

> > > I would also like to have time to investigate what happens if the pages
> > > associated with a program load are handled in larger blocks, meta-pages
> > > perhaps, which would at least cause many to be loaded at once on a page
> > > fault, rather than faulting them in one at a time.
> >
> > This is an interesting thing, too. Something to look into for
> > 2.5 and if it turns out simple enough we may even want to
> > backport it to 2.4.
>
> filemap_nopage already does all of this except put the page in the
> page table.

Exactly, there are two things we need to fix:

1) set up the page tables in a clustered way
2) make filemap_nopage() aware of sequential IO and
teach it to do asynchronous readahead .. maybe even
with drop-behind on the VMA level ?

regards,

Rik
--
IA64: a worthy successor to i860.

http://www.surriel.com/ http://distro.conectiva.com/

Send all your spam to aardvark@nl.linux.org (spam digging piggy)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:03    [W:0.079 / U:26.680 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site