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SubjectRe: fast path cycle muncher (vmstat: make vmstat_updater deferrable again and shut down on idle)
On Tue, 26 Jan 2016, Mike Galbraith wrote:

> On Tue, 2016-01-26 at 03:14 +0100, Mike Galbraith wrote:
>
> > Perf and RT say we don't want quiet_vmstat() in the idle loop either.
>
> BTW, the perf numbers were not from an RT kernel, they were from my
> PREEMPT_VOLUNTARY desktop kernel.

Can we move quiet_vmstat() elsewhere after we have checked that really
nothing else is going on soon?

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