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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags
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> I guess the main question here is whether this approach will scale to
> something like kmalloc() or the page allocator in production
> environments. For any serious workload, the frequency of events is
> going to be pretty high.

Immediate Values patch series makes zero-overhead to tracepoint
while it's not used.

So, We have to implement to stop collect stastics way. it restore
zero overhead world.
We don't lose any performance by trace.



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