Re: [PATCH -mm] vmscan: protect a fraction of file backed mapped pages from reclaim

Christoph Lameter
2009-05-12T18:04:06Z

On Tue, 12 May 2009, Rik van Riel wrote:

> > Streaming I/O means access once?
>
> Yeah, "used-once pages" would be a better criteria, since
> you could go through a gigantic set of used-once pages without
> doing linear IO.

Can we see some load for which this patch has a beneficial effect?
With some numbers?