[PATCH] lockdep: reduce stack_trace usage

[Yong Zhang]

On Fri, Apr 23, 2010 at 10:31:16AM +0200, John Kacur wrote:
> > Non of these numbers look strange..
> >
> 
> As I told Peter privately the laptop that triggered the
> MAX_STACK_TRACE_ENTRIES every time, has met an
> unfortunate early demise. However, I think it was the config - not the
> hardware. On this machine where the above
> numbers come from, I believe I have less debug options configured -
> but it is running the exact same kernel as
> the laptop was. (2.6.33.2-rt13)

Hi John,

(checking mail at home).
I find some place which can be hacked. Below is the patch.
But I don't even compile it. Can you test it to see if it can smooth
your problem.

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