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SubjectRe: [patch V2 01/29] tracing: Cleanup stack trace code
On Thu, Apr 18, 2019 at 10:41:20AM +0200, Thomas Gleixner wrote:
> - Remove the extra array member of stack_dump_trace[]. It's not required as
> the stack tracer stores at max array size - 1 entries so there is still
> an empty slot.

What is the empty slot used for?

--
Josh

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