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    SubjectOvercomittable memory (Was: Linux 2.2.15pre12)
    Den 06-Mar-00 16:29:18 skrev Rik van Riel følgende om "Re: Linux 2.2.15pre12":

    > Think about running a big simulation process that fork()s to
    > exec() /bin/mail in order to email its status or a partial
    > solution to the person that started the simulation.

    > A big rendering process that fork()/exec()s lpr.

    > Without overcommit you'd need to have the 500 MB of swap free
    > that the big simulation is using, even though it'll only use
    > 1 MB for the little process that's being exec()ed...

    This doesn't mean that overcommit is a good idea. It just means that
    fork()/exec() is not a good way of launching programs. Using overcommit to
    cover up for fork()/exec() deficiencies is like redirecting compiler
    warnings to /dev/null instead of fixing the code. The symptoms become less
    visible but the problem remains. The problem could be solved by introducing
    a new system call with the ability to start an external program as a new
    process.

    Regards,

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