It's not a fd to open and map, but SYSV IPC id instead.
So don't close it - this may lead to unpredictable results
(in case of SYSV IPC id will match fd, opened by processes).
Signed-off-by: Stanislav Kinsbursky <skinsbursky@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>