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SubjectRe: The performance and behaviour of the anti-fragmentation related patches
On Fri, 2 Mar 2007 09:23:49 -0800 (PST) Christoph Lameter <clameter@engr.sgi.com> wrote:

> On Fri, 2 Mar 2007, Andrew Morton wrote:
>
> > > Linux is *not* happy on 256GB systems. Even on some 32GB systems
> > > the swappiness setting *needs* to be tweaked before Linux will even
> > > run in a reasonable way.
> >
> > Please send testcases.
>
> It is not happy if you put 256GB into one zone.

Oh come on. What's the workload? What happens? system time? user time?
kernel profiles?
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