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    SubjectRe: [RFC v17][PATCH 00/60] Kernel based checkpoint/restart
    Quoting Oren Laadan (
    > Application checkpoint/restart (c/r) is the ability to save the state
    > of a running application so that it can later resume its execution
    > from the time at which it was checkpointed, on the same or a different
    > machine.
    > This version introduces 'clone_with_pids()' syscall to preset pid(s)
    > for a child process. It is used by restart(2) to recreate process
    > hierarchy with the same pids as at checkpoint time.
    > It also adds a freezer state CHECKPOINTING to safeguard processes
    > during a checkpoint. Other important changes include support for
    > threads and zombies, credentials, signal handling, and improved
    > restart logic. See below for a more detailed changelog.
    > Compiled and tested against v2.6.31-rc3.

    With the s390 patch I recently sent on top of this set, all of my
    c/r tests pass, and ltp behaves the same as on plain v2.6.31-rc3
    (up to and including hanging on mallocstress).


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