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    SubjectRe: Topic for discussion: OS Design
    Date
    Richard B. Johnson writes:
    > On Sun, 22 Oct 2000, Dwayne C . Litzenberger wrote:

    > o Once installed, a kernel module is every bit as "efficient"
    > as some driver linked into the kernel at build-time. Of course

    I doubt this is true on most modern processors. On the Pentium
    and above, large pages are used for the kernel. The PowerPC port
    uses BAT registers. Other ports have other hacks to reduce TLB
    misses and/or wasted memory. Also, you waste half a page or more
    for the average module.

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