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    SubjectRe: holy grail

    Hi!

    > > Your best bet would be to use a system that already implements some
    > > form of checkpointing or process migration, and use this to
    > > preserve user space state across kexec reboots. openMosix may be
    >
    > [snip]
    >
    > preserving user state would not be so much the problem as would
    > the various internal kernel data structures (vm stuff, dcache, etc.)

    Actually, you want to kill vm structures, dcache etc. You only want
    userspace-visible state to be carried forward to minimize possibility
    of bringing bugs to new kernel.
    Pavel
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