Re: [RFC][PATCH] vm_swap_full

[Mike Fedyk]

On Sun, Nov 04, 2001 at 02:36:34PM -0200, Rik van Riel wrote:
> On Sun, 4 Nov 2001, Ed Tomlinson wrote:
> 
> > -/* Swap 50% full? Release swapcache more aggressively.. */
> > -#define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
> > +/* Free swap less than inactive pages? Release swapcache more aggressively.. */
> > +#define vm_swap_full() (nr_swap_pages < nr_inactive_pages)
> 
> > Comments?
> 
> Makes absolutely no sense for systems which have more
> swap than RAM, eg. a 64MB system with 200MB of swap.
> 

How does the inactive list get bigger than physical ram?

If swap is bigger than ram, there is *no* possibility of the inactive list
being bigger than swap, and thus no aggressive swapping...

Mike