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    SubjectRe: [PATCH 0/2] CGroups: cgroup member list enhancement/fix
    On Mon, Jul 13, 2009 at 5:11 AM, Balbir Singh<> wrote:
    > How about lazy migration? Mark a group as to move when the kernel sees
    > it next for scheduling.

    Waiting for the next scheduling point might be too long, since a
    thread can block for arbitrary amounts of time and keeping the marker
    around for arbitrary time (unless we add a new task_struct field)
    would be tricky. Marking the cgroup or tgid as being migrated which
    then triggers the extra synchronization in the fork path (but which
    isn't needed at other times) is probably where we'll end up.


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