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

Paul Jackson
2005-12-14T04:07:09Z

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 ...
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Paul Jackson <pj@sgi.com> 1.925.600.0401