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    SubjectRe: [PATCH] atomic: add atomic_inc_not_zero_hint()
    On Sat, 13 Nov 2010, Paul E. McKenney wrote:

    > On Fri, Nov 12, 2010 at 01:14:12PM -0600, Christoph Lameter wrote:
    > >
    > > prefetchw() would be too much overhead?
    >
    > No idea. Where do you believe that prefetchw() should be added?

    It is another way to get an exclusive cache line
    for situations like this. No need to give a hint.



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