Messages in this thread | | | Subject | Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags | From | Matt Mackall <> | Date | Tue, 28 Apr 2009 15:59:53 -0500 |
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On Tue, 2009-04-28 at 13:47 -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.
The kernel bits should handle this already today. You just need 1k userspace threads to open /proc/kpageflags, seek() appropriately, and read().
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