Re: [PATCH] 2.6.23-rc6: Fix NUMA Memory Policy Reference Counting

[Andi Kleen]

> The patch does require concurrent increments and decrements in the main 
> fault patch. The potential is to create another bouncing cacheline for 
> concurrent faults. This looks like it would cause a performance issue.

While may be true correctness is always more important than performance.
So I think this is the right thing for .23. Any performance improvements
if needed can come later.

-Andi
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