On Tue, 2012-08-21 at 17:40 +0300, Michael S. Tsirkin wrote: > > + vb->balloon_status = BALLOON_REMOVAL; > > This needs some kind of barrier. > > > kthread_stop(vb->thread); kthread_stop() implies an smp_wmb() [ because it needs to do a wakeup ]. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href