On 08/29, Andrea Arcangeli wrote: > > It's true you could have two uffd registered in the same mm > and you could call the UFFDIO_COPY ioctl on anyone of the two and it > wouldn't make any difference as long as they both are registered in > the same mm. ... > There would be nothing wrong to make it more strict, but it's not > strictly needed. Thanks Andrea, this answers my question. Oleg.