Messages in this thread | | | Date | Wed, 22 Feb 2006 16:00:37 -0600 | From | Dimitri Sivanich <> | Subject | Re: [PATCH] Enable remote RCU callback processing on SMP systems |
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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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