Re: [patch 1/6] sched, nohz: introduce nohz_flags in the struct rq

From: Peter Zijlstra
Date: Thu Nov 24 2011 - 05:24:46 EST


On Fri, 2011-11-18 at 15:03 -0800, Suresh Siddha wrote:
> plain text document attachment (introduce_rq_nohz_flags.patch)
> Introduce nohz_flags in the struct rq, which will track two flags for now.
>
> NOHZ_TICK_STOPPED will convey the stop tick status that gets set when
> the tick is stopped and cleared during the first busy tick after the tick
> is restarted.
>
> NOHZ_BALANCE_KICK will track the need for nohz idle load balance
> on this rq.

The changelog is missing the crucial part: Why are we doing this? :-)
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