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

[Nick Piggin]

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?

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