On 2012-11-12 16:49 -0800, Paul E. McKenney wrote:
> Hello!
> 
> I know of people using TINY_RCU, TREE_RCU, and TREE_PREEMPT_RCU, but I
> have not heard of anyone using TINY_PREEMPT_RCU for whom TREE_PREEMPT_RCU
> was not a viable option (in contrast, the people running Linux on
> tiny-memmory systems typically use TINY_RCU).  Of course, if no one
> really needs it, the proper thing to do is to remove it.
> 
> So, if you need TINY_PREEMPT_RCU, please let me know.  Otherwise, I will
> remove it, probably in the 3.9 timeframe.

Yes, I use TINY_PREEMPT_RCU on my UP machines.  It is, in fact, the only
option.

Cheers,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)