Re: Autoregulate swappiness & inactivation

[Nick Piggin]

FabF wrote:
> On Fri, 2004-07-09 at 12:43, Nick Piggin wrote:

> > pdflush is used to perform writeout of dirty data, so it has
> > no part in reducing Mozilla's RSS.
>
> Oops ... kswapd then ?

Yep.

> > I don't really understand what you are asking though. Your basic
> > problem is that mozilla's resident memory gets evicted too easily,
> > is that right?
>
> Not at all.My problem is mozilla has some MB to recover when
> reactivating; meanwhile, I consider there was sufficient resource to
> share with it _before_ reactivation as I'm waiting some minutes after an
> heavy process (e.g updatedb) to be done and over.

You could try my -np7 patch, which would hopefully fix the problem
for you.

It may take some time and work before (if ever) the memory management
patches in it are merged though.

> AFAICS, Con's patches are about auto-regulation, not about anticipation
> (?)

Yep. Con's patch changes the conditions that are required to start
reclaiming mapped pages. Basically: when to start swapping.
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