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    SubjectRe: SMP performance problem in 2.4 (was: Athlon spinlock performance)
    On Sun, 3 Aug 2003, Scott L. Burson wrote:

    > I see that even the very most recent Red Hat kernel (2.4.20-19.7,
    > released only two weeks ago) does not seem to have these fixes.

    Look again. The kernel that came with RH9 has pretty much
    all of the highmem fixes, the update kernels later on have
    them all.

    The main difference is that the VM in RH9 is closer to that
    of 2.5, so the patches don't look the same.

    "Debugging is twice as hard as writing the code in the first place.
    Therefore, if you write the code as cleverly as possible, you are,
    by definition, not smart enough to debug it." - Brian W. Kernighan

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