how to check kernel is configured with preemption or not

[sri]

Hi,

Am using kernel 2.6.18-195(centos 5.5).
My kernel configs have CONFIG_PREEMPT_NONE=7 and "CONFIG_PREEMPT_VOLUNTERY
is not set".
How to check that preemption is really in place?
Is there any way to check my kernel is configured with what preemption
levels?

Thanks inadvance.

-- Sri

-- 
--
 Krishna Mohan B
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