On Fri, 30 Sep 2005 07:54 am, Andrew Morton wrote:
> Con Kolivas <[email protected]> wrote:
> > Once pages have been added to the swapped list, a timer is started,
> > testing for conditions suitable to prefetch swap pages every 5 seconds.
> > Suitable conditions are defined as lack of swapping out or in any pages,
> > and no watermark tests failing. Significant amounts of dirtied ram also
> > prevent prefetching. It then checks that we have spare ram looking for at
> > least 3* pages_high free per zone and if it succeeds that will prefetch
> > pages from swap.
>
> Did you consider poking around in gendisk.disk_stats to determine whether
> the swap disk(s) are idleish?
I didn't know where to look for that info. Thanks! I'm open to *any*
suggestions and I'll look into it as I can't take this code much further
without outside help.
Cheers,
Con
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