On Sat, 23 Aug 2014 00:38:09 +0400 Cyrill Gorcunov <gorcu...@gmail.com> wrote:
> > > > Or will we? What happens if we later decide that some additional field > > needs to be added? Do we version the interface? Add a new prctl() > > mode? Let's cook up a plan for that and at least add to changelog? > > I don't expect to change it anytime soon but we still have an option -- > if we decide to extend or shrink it we always can use sizeof/offsetof > helpers to check which exactly version userspace asks us to use. How does that work? We just have a blob of bytes coming in from userspace. > As far as I understand the mm_struct is not the structure which > changes that frequently, right? We might find existing things which criu wants to access. And criu lives forever, yes? The mm_struct is likely to change over that time period ;) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/