Re: Does anyone use CONFIG_TINY_PREEMPT_RCU?

[Paul E. McKenney]

On Tue, Nov 13, 2012 at 04:36:42PM -0800, Josh Triplett wrote:
> On Tue, Nov 13, 2012 at 04:06:48PM -0800, Paul E. McKenney wrote:
> > On Wed, Nov 14, 2012 at 12:32:36AM +0100, Tim Sander wrote:
> > > Hi Paul
> > > 
> > > Sorry english somehow i tried to shoehorn more than one sentence into one 
> > > sentence in the last mail.
> > > > OK, how much memory does your device have?
> > > It's 128Mb of memory.
> > 
> > That is a bit on the smaller side.  But still quite large compared
> > to the 15K difference between CONFIG_TREE_PREEMPT_RCU and
> > CONFIG_TINY_PREEMPT_RCU.
> 
> I'd also expect CONFIG_TINY_PREEMPT_RCU to have marginally more
> performance on a UP system, but probably not enough to matter.

Agreed, I would expect this to be down in the noise.

							Thanx, Paul

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