Bill> Are you suggesting making the partial pages their own VMA, Bill> or marking the entire buffer with this flag? I originally Bill> thought the entire buffer should be copy on fork (instead of Bill> copy on write), and I believe this is the path Mellanox was Bill> pursing with the VM_NO_COW flag. However, if applications Bill> are registering gigs of ram, it would be very bad to have Bill> the entire area copied on fork.
It's up to userspace really but I would expect that the partial pages would be in a vma by themselves. - R. _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general