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    SubjectRe: Fw: potential /dev/urandom scalability improvement
    >>>>> On Fri, 26 Mar 2004 12:33:03 -0800, Andrew Morton <akpm@osdl.org> said:

    Andrew> If someone does, say,

    Andrew> prefetch_range(some_pointer, sizeof(*some_pointer));

    Andrew> then it is possible that prefetch_range() could

    Andrew> a) execute a prefetch at addresses which are not
    Andrew> PREFETCH_STRIDE-aligned and, as a consequence,

    Andrew> b) prefetch data from the next page, outside the range of
    Andrew> the user's (addr,len).

    This is getting silly. Cache-lines _never_ cross page-boundaries.

    --david
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