how to check kernel is configured with preemption or not

[Daniel Baluta]

On Fri, Oct 21, 2011 at 2:28 PM, sri <bskmohan at gmail.com> wrote:
> 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?

Hmm, uname -a?