On Wed, Feb 22, 2006 at 03:23:22PM -0500, Chris Mason wrote:
> Aside from the possible race we talked about in __rcu_process_callbacks, I
> don't have huge objections here. But if the underlying problem is the cost
> of kmem_cache_free, would it be better to limit that instead of trying to
> push the latency around to specific cpus?
The current problem is the cost of kmem_cache_free. What this
patch will do (versus limiting the cost of kmem_cache_free, if
that's at all possible) is to protect the cpus configured as
such against other costly sections of code that may be lurking
or that might be added in the future.
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