This looks clearer, because this check has nothing with SYSV IPC
mappings. Also we don't modify the vma_entry itself anymore but
operate with local 'flags' copy.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@openvz.org>
[gorcunov@: A few tune ups]
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>