Re: [PATCH -mm] vmscan: protect a fraction of file backed mappedpages from reclaim
From: Christoph Lameter
Date: Tue May 12 2009 - 16:27:55 EST
On Tue, 12 May 2009, Rik van Riel wrote:
> How many do you want before you're satisfied that this
> benefits a significant number of workloads?
One would be a good starter.
> How many numbers do you want to feel safe that no workloads
> suffer badly from this patch?
>
> Also, wow would you measure a concept as nebulous as desktop
> interactivity?
Measure the response to desktop clicks? I.e. retrieve an URL with a
webbrowser that was running when the other load started.
> Btw, the patch has gone into the Fedora kernel RPM to get
> a good amount of user testing. I'll let you know what the
> users say (if anything).
I have not seen a single reference to a measurement taken with this patch.
Maybe that is because I have not looked at the threads that discuss
measurements with this patch. Where are they?
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