Re: [this_cpu_xx V9 4/7] Generic inc / dec percpu instructions

[Christoph Lameter]

On Tue, 5 Jan 2010, Tejun Heo wrote:

> According to gcc doc, __builtin_constant_p() returns 1 on constant and
> 0 if not.  It doesn't return the original expression.  I'll commit the
> following updated version after testing.

Great. Thanks. That means that most of the percpu uses currently are incs
and decs not adds. Machine worked fine with the buggy patch.
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