On 06/27/2014 10:34 AM, Dave Hansen wrote: > I'm claiming that we need COW behavior for the bounds tables, at least > by default. If userspace knows enough about the ways that it is using > the tables and knows how to share them, let it go to town. The kernel > will permit this kind of usage model, but we simply won't be helping > with the management of the tables when userspace creates them. Actually, this is another reason we need to mark VMAs as being MPX-related explicitly instead of inferring it from the tables. If userspace does something really specialized like this, the kernel does not want to confuse these VMAs the ones it created. -- 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>