In case if we need vdso proxy there is a need
to recognize it somehow on further checkpoint
action. But such vdso won't be recognized by
the kernel and [vdso] mark won't appear in
procfs output. Thus we put own mark on it.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>