Re: Break 2.4 VM in five easy steps

Remi Turk
2001-06-06T17:10:50Z

On Wed, Jun 06, 2001 at 06:48:32AM -0400, Alexander Viro wrote:
> On Wed, 6 Jun 2001, Sean Hunter wrote:
>
> > This is completely bogus. I am not saying that I can't afford the swap.
> > What I am saying is that it is completely broken to require this amount
> > of swap given the boundaries of efficient use.
>
> Funny. I can count many ways in which 4.3BSD, SunOS{3,4} and post-4.4 BSD
> systems I've used were broken, but I've never thought that swap==2*RAM rule
> was one of them.
>
> Not that being more kind on swap would be a bad thing, but that rule for
> amount of swap is pretty common. ISTR similar for (very old) SCO, so it's
> not just BSD world. How are modern Missed'em'V variants in that respect, BTW?

Although I don't have any swap-trouble myself, what I think
most people are having problems with is not that Linux
doesn't have the "you-dont-need-2xRAM-size-swap-if-you-swap-at-all
feature", but that it lost it in 2.4.

--
Linux 2.4.5-ac9 #5 Wed Jun 6 18:30:24 CEST 2001