Re: [PATCH] Cpuset: rcu optimization of page alloc hook

[Paul Jackson]

Andi wrote:
> That is why call_rcu.et.al. is a better interface if you want performance.
> It runs the freeing batched in the background.

True.

In this case, my free'ing code is non-trivial, and my performance
requirements very minimal.  So I'll take the easier synchronize_rcu()
over the asynchronous call_rcu().

But, yes, that's the tradeoff.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@xxxxxxx> 1.925.600.0401
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