Messages in this thread | | | From | Con Kolivas <> | Subject | Re: Autoregulate swappiness & inactivation | Date | Thu, 08 Jul 2004 17:58:25 +1000 |
| |
Andrew Morton writes:
> Con Kolivas <kernel@kolivas.org> wrote: >> >> Ah what the heck. They can only be knocked back to where they already are. > > hm. You get an eGrump for sending two patchs in one email. Surprisingly > nice numbers though. > > How come vm_swappiness gets squared? That's the mysterious "bias > downwards", yes? What's the theory there?
No real world feedback mechanism is linear. As the pressure grows the positive/negative feedback grows exponentially.
> Please define this new term "application pages"?
errm it's fuzzy to say the least. It's the closest I can come to representing what end users understand as "non-cached" pages.
> Those si_swapinfo() and si_meminfo() calls need to come out of there.
I'm game. I had the idea but not the skill. Anyone wanna help me with that?
> A diff against Documentation/filesystems/proc.txt will be needed sometime, > please.
Ok. I'll try and put together one patch that does the lot.
Con
[unhandled content-type:application/pgp-signature] | |