Messages in this thread | | | Subject | Re: [-mm PATCH 5/10] Memory controller task migration (v7) | Date | Tue, 28 Aug 2007 17:32:52 +0900 (JST) | From | (YAMAMOTO Takashi) |
| |
> 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |