yes, vnd is big trouble for having predictable memory usage patterns.
I've been ignoring it for now since there are bigger fish to fry.  :-)

-Chuck


On Mon, Sep 27, 1999 at 10:33:55AM -0700, Bill Studenmund wrote:
> On Sat, 25 Sep 1999, Manuel Bouyer wrote:
> 
> > On Sat, Sep 25, 1999 at 05:14:40PM +0200, Jaromir Dolecek wrote:
> > > 
> > > So that nobody would eat all the RAM just by reading a large file ?
> > 
> > If it's just read (==unmodified) data it's really easy and fast to recover the
> > ram. For dirty data you have to write the pages before freeing them, it takes
> > more time.
> 
> Also, if you're using something like vnd, you might need to read in
> (needing clean pages) info from the underlying filesystem in order to
> figure out where to write your block. :-)
> 
> Take care,
> 
> Bill