Re: [2.4] heavy-load under swap space shortage

Nick Piggin
2004-03-15T04:39:13Z

Andrea Arcangeli wrote:

>
>I don't see other ways to optimize it (and I never enjoyed too much the
>per-zone lru since it has some downside too with a worst case on 2G
>systems). peraphs a further optimization could be a transient per-cpu
>lru refiled only by the page reclaim (so absolutely lazy while lots of
>ram is free), but maybe that's already what you're doing when you say
>"Adding/removing sixteen pages for one taking of the lock". Though the
>fact you say "sixteen pages" sounds like it's not as lazy as it could
>be.
>

Hi Andrea,
What are the downsides on a 2G system?