Re: 2.4 and 2GB swap partition limit

Rik van Riel
2001-05-01T23:25:54Z

On 1 May 2001, Christoph Rohland wrote:
> On Mon, 30 Apr 2001, Alan Cox wrote:
> >> paging in just released 2.4.4, but in previuos kernel, a page that
> >> was paged-out, reserves its place in swap even if it is paged-in
> >> again, so once you have paged-out all your ram at least once, you
> >> can't get any more memory, even if swap is 'empty'.
> >
> > This is a bug in the 2.4 VM, nothing more or less. It and the
> > horrible bounce buffer bugs are forcing large machines to remain on
> > 2.2. So it has to get fixed
>
> Yes, it is a bug. and thanks for stating this so clearly.

I finished my USENIX paper (yeah I know, exactly on the deadline ;))
so now I have time again. This bug is one of the more important ones
on my TODO list.

Let me see if I can cook up a race-free way of fixing this one.

regards,

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

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

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