#ifdef CONFIG_SYSVIPC
#define INIT_IPC_NS(ns) .ns = &init_ipc_ns,
+extern int copy_ipcs(unsigned long flags, struct task_struct *tsk);
#else
#define INIT_IPC_NS(ns)
+static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk)
+{ return 0; }
#endif
#ifdef CONFIG_IPC_NS
extern void free_ipc_ns(struct kref *kref);
-extern int copy_ipcs(unsigned long flags, struct task_struct *tsk);
extern int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns);
-#else
-static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk)
-{
- return 0;
-}
#endif
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)