On 03/29, anfei wrote: > > On Sun, Mar 28, 2010 at 06:28:21PM +0200, Oleg Nesterov wrote: > > On 03/28, anfei wrote: > > > > > > Assume thread A and B are in the same group. If A runs into the oom, > > > and selects B as the victim, B won't exit because at least in exit_mm(), > > > it can not get the mm->mmap_sem semaphore which A has already got. > > > > I see. But still I can't understand. To me, the problem is not that > > B can't exit, the problem is that A doesn't know it should exit. All > > If B can exit, its memory will be freed, Which memory? I thought, we are talking about the memory used by ->mm ? Oleg. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>