[CRIU] [PATCH 02/11] images: sk-packet -- Reserve data for netlink queue support

[Andrey Vagin]

On Fri, Aug 05, 2016 at 10:40:25PM +0300, Cyrill Gorcunov wrote:
> On Fri, Aug 05, 2016 at 11:40:54AM -0700, Andrey Vagin wrote:
> > > 
> > > IIRC it's an address of message in memory. Andrew did it. Andrew?
> > 
> > It isn't enough to save only id for netlink sockets:
> > 
> > struct sockaddr_nl {
> >         __kernel_sa_family_t    nl_family;      /* AF_NETLINK   */
> >         unsigned short  nl_pad;         /* zero         */
> >         __u32           nl_pid;         /* port ID      */
> >         __u32           nl_groups;      /* multicast groups mask */
> > };
> 
> Wait. Have you added some more field in protobuf message?
> Currently only @addr field is present in vz7 criu in compare
> with vanilla one.

addr is an array of bytes and I saved a whole addr there. It is
intersting question how do we save an addres for unix messages, if a
sender doesn't exist (have been closed).