linux-kernel - Re: [PATCH RFC tip/core/rcu 0/2] NOCB kthread economization patches

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Message-ID: <20140714112149.GA14508@thin>
Date:	Mon, 14 Jul 2014 04:21:50 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
	sbw@....edu, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH RFC tip/core/rcu 0/2] NOCB kthread economization patches

On Mon, Jul 14, 2014 at 03:06:04AM -0700, Paul E. McKenney wrote:
> This series provides a couple of patches that reduce the number of rcuo
> kthreads in cases where nr_cpu_ids is larger than the actual number of
> online CPUs.
> 
> 1.	Preparation patch that rationalizes RCU's creation of early-boot
> 	kthreads.
> 
> 2.	Instead of creation rcuo kthreads for each possible CPU, create
> 	them only for those CPUs that have come online at least once
> 	since boot.

For both:

Reviewed-by: Josh Triplett <josh@...htriplett.org>
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