On Wed, 25 Jul 2001, Daniel Phillips wrote:
> On Wednesday 25 July 2001 08:33, Marcelo Tosatti wrote:
> > Now I'm not sure why directly adding swapcache pages to the inactive
> > dirty lits with 0 zero age improves things.
>
> Because it moves the page rapidly down the inactive queue towards the
> ->writepage instead of leaving it floating around on the active ring
> waiting to be noticed. We already know we want to evict that page,
We don't.
The page gets unmapped and added to the swap cache the first
time it wasn't referenced by the process.
This is before any page aging is done.
Rik
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:23 EST