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Subject: Re: [patch 2/2] lockdep: initialize lockdep debugging statistics
From: Peter Zijlstra <peterz@infradead.org>
To: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org
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Date: Thu, 05 Mar 2009 11:49:19 +0100
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On Thu, 2009-03-05 at 02:29 -0800, David Rientjes wrote:
> The CONFIG_DEBUG_LOCKDEP statistics need to be initialized with
> ATOMIC_INIT(0) since they are of type atomic_t.

And how does ATOMIC_INIT(0) differ from the global/static storage being
initialized to 0?

All I can see this doing it moving the variables from bss to data for
some compilers.