Quoting Linus Torvalds <[EMAIL PROTECTED]>: > I would suggest that if you wanted to be very careful, you'd simply > disallow changing - or perhaps just clearing - that DONTCOPY flag on > special regions (ie ones that have been marked with VM_IO or VM_RESERVED).
Right, this was already proposed here http://lkml.org/lkml/2005/11/3/81 and I site: > You're then saying that a process cannot set VM_DONTCOPY on a VM_IO > area to prevent the first child getting the area, but clear it after > so the next child does get a copy of the area. I think it'd be wrong > (surprising) to limit the functionality in that way. -- Michael S. Tsirkin Staff Engineer, Mellanox Technologies _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
