On Thu, 2014-05-08 at 21:26 -0400, Jerome Glisse wrote: > Otherwise i have no other choice than to add something like mmu_notifier > in the place where there can a be race (huge page split, cow, ...). Which > sounds like a bad idea to me when mmu_notifier is perfect for the job. Even there, how are you going to find a sleepable context ? All that stuff has the PTL held. Cheers, Ben. -- 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=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>