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    SubjectRe: [-mm PATCH 5/10] Memory controller task migration (v7)
    Date
    From
    > YAMAMOTO Takashi wrote:
    > >> Allow tasks to migrate from one container to the other. We migrate
    > >> mm_struct's mem_container only when the thread group id migrates.
    > >
    > >> + /*
    > >> + * Only thread group leaders are allowed to migrate, the mm_struct is
    > >> + * in effect owned by the leader
    > >> + */
    > >> + if (p->tgid != p->pid)
    > >> + goto out;
    > >
    > > does it mean that you can't move a process between containers
    > > once its thread group leader exited?
    > >
    > > YAMAMOTO Takashi
    >
    >
    > Hi,
    >
    > Good catch! Currently, we treat the mm as owned by the thread group leader.
    > But this policy can be easily adapted to any other desired policy.
    > Would you like to see it change to something else?
    >
    > --
    > Warm Regards,
    > Balbir Singh
    > Linux Technology Center
    > IBM, ISTL

    although i have no good idea right now, something which allows
    to move a process with its thread group leader dead would be better.

    YAMAMOTO Takashi
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