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    SubjectRe: Memory locking

    On Tue, 12 Nov 1996, Lindsay Haisley wrote:

    > I'm engaged on a small contract which is using a cryptographic library which
    > attempts to do memory page locking via calls to mlock and munlock. It
    > appears that only recent shared libraries (e.g. support
    > these calls, but I have no man pages on them on any of my Linux systems. I
    > would assume that memory locking must be supported by the kernel in order to
    > work. If so, and if it is supported, how far back, version-wise, does this
    > support go? The system on which I'm doing my development work is running
    > kernel 1.2.13.
    > Lindsay Haisley

    I can't say for certen, but I think it's a fairly rescent thing (ie
    mid to late 1.3.xx), so I'd upgrade to 2.0(.25 so far).

    I know it will involve lots of upgrades (see linux/Documentation/Changes
    in the 2.0.xx tree), and posabably am a.out -> elf switch (tho it's not
    mandatary to have elf, capable tools until you want to build 2.1).

    You may want to just install a new distribution that has 2.0 in it
    (currently slackware is at about 2.1.8 (guessing), Red Hat 4.0 has 2.1.18)

    PGP key pass phrase forgotten, \ Overload -- core meltdown sequence
    again :( and I don't care ;) | initiated.
    / This space is intentionally left
    | blank, apart from this text ;-)

     \ /
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