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    SubjectRe: pre-2.1.132-2..

    On Fri, 18 Dec 1998, Linus Torvalds wrote:

    > Note that we probably don't have a cache-line per CPU anyway, because
    > there is nothing to force proper alignment of the irq_desc[] array.

    instead of living with the imperfect alignment, in 2.3 we might want to
    create an 'smp_aligned' section (just like initdata), which is checked
    during kernel build (after linkage) against alignment violations. (it
    would be word aligned in the UP compilation case)

    -- mingo


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