Messages in this thread | | | Date | Tue, 28 Apr 2009 22:54:03 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags |
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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@selenic.com> 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@linux.intel.com -- Speaking for myself only.
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