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    SubjectRe: read_proc issue
    That's a good solution in the general case but doesn't work for
    some of the proc entries that already exist. cpuinfo, for example.
    There seem to be a number of niche /proc methods already. A cache-on-open
    method would be very useful for files like cpuinfo and a number of other
    files for PPC.

    It sure would make accessing /proc files less whacky for user-code.

    } Another approach is to do the calculation open and remember it in per
    } fd private data. You can recover that and free it on release. It could
    } even be a buffer holding the actual "content"
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