Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags

From: Andi Kleen
Date: Tue Apr 28 2009 - 16:50:20 EST


On Tue, Apr 28, 2009 at 01:47:07PM -0700, Tony Luck wrote:
> On Tue, Apr 28, 2009 at 11:34 AM, Matt Mackall <mpm@xxxxxxxxxxx> wrote:
> > Bah. The rate of change is proportional to #cpus, not #pages. Assuming
> > you've got 1024 processors, you could run the scan in parallel in .2
> > seconds still.
>
> That would help ... it would also make the patch to support this
> functionality a lot more complex.

I suspect 4TB memory users are used to some things running
a little slower. I'm not sure we really need to make every obscure
debugging functionality scale well to these systems too.

-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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