Re: [PATCH][RFT](2) minimal rmap for 2.5 - akpm tested

[Jens Axboe <axboe@suse.de>]

On Wed, Jul 10 2002, Daniel Phillips wrote:
> On Wednesday 10 July 2002 22:42, Rik van Riel wrote:
> > On Wed, 10 Jul 2002, Sebastian Droege wrote:
> > > On Sat, 6 Jul 2002 02:31:38 -0300 (BRT)
> > > Rik van Riel <riel@conectiva.com.br> wrote:
> > >
> > > > If you have some time left this weekend and feel brave,
> > > > please test the patch which can be found at:
> > > >
> > > > 	http://surriel.com/patches/2.5/2.5.25-rmap-akpmtested
> > 
> > > after running your patch some time I have to say that the old VM
> > > implementation and the full rmap patch (by Craig Kulesa) was better. The
> > > system becomes very slow and has to swap in too much after some uptime
> > > (4 hours - 2 days) and memory intensive tasks...
> > > Maybe this happens only to me but it's fully reproducable
> > 
> > It's a known problem with use-once. Users of plain 2.4.18
> > are complaining about it, too.
> 
> Hey, thanks Rik, I know something about that :-)  And I'd be testing right
> now to see if you're right, if the DAC960 driver compiled successfully.
> But it doesn't, and since my test machine won't boot without it... given a
> choice between diving into the driver and going back to work on directory
> hashing on 2.4...

Leonard has promised me to convert DAC960 to the "new" pci dma api for
years (or so it seems, actual date may vary, no purchase necessary). I
do have a Mylex controller here myself these days, so it's not
completely impossible that I may do it on a rainy day.

-- 
Jens Axboe