Subject: Re: loaning for read() of regular files
To: Stephan Uphoff <ups@tree.com>
From: Chuck Silvers <chuq@chuq.com>
List: tech-kern
Date: 02/22/2005 21:22:06
On Tue, Feb 22, 2005 at 02:56:50PM -0500, Stephan Uphoff wrote:
> On Tue, 2005-02-15 at 12:36, Chuck Silvers wrote:
> > hi folks,
> > 
> > I've been fiddling with some changes that implement loaning pages for read()
> > of regular files for quite a while, and I figure it's time to share them.
> > there's a diff attached which adds this generic support and changes FFS
> > to use it.
> < .. SNIP ..>
> 
> I think that you also need to check if the individual pages that are
> replaced (or shadowed - but I guess this is broken anyway) are wired to
> avoid areas wired by uvm_vslock() :-(

yea, that's true, I'll add it.

-Chuck