diff options
Diffstat (limited to 'include/linux/ipc_namespace.h')
| -rw-r--r-- | include/linux/ipc_namespace.h | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index cfb2a08b28f5..c3b1da9e5feb 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -4,14 +4,14 @@ #include <linux/err.h> #include <linux/idr.h> #include <linux/rwsem.h> -#ifdef CONFIG_MEMORY_HOTPLUG #include <linux/notifier.h> -#endif /* CONFIG_MEMORY_HOTPLUG */ /* * ipc namespace events */ #define IPCNS_MEMCHANGED 0x00000001 /* Notify lowmem size changed */ +#define IPCNS_CREATED 0x00000002 /* Notify new ipc namespace created */ +#define IPCNS_REMOVED 0x00000003 /* Notify ipc namespace removed */ #define IPCNS_CALLBACK_PRI 0 @@ -42,9 +42,7 @@ struct ipc_namespace { int shm_ctlmni; int shm_tot; -#ifdef CONFIG_MEMORY_HOTPLUG struct notifier_block ipcns_nb; -#endif }; extern struct ipc_namespace init_ipc_ns; @@ -53,29 +51,10 @@ extern atomic_t nr_ipc_ns; #ifdef CONFIG_SYSVIPC #define INIT_IPC_NS(ns) .ns = &init_ipc_ns, -#ifdef CONFIG_MEMORY_HOTPLUG - extern int register_ipcns_notifier(struct ipc_namespace *); extern int unregister_ipcns_notifier(struct ipc_namespace *); extern int ipcns_notify(unsigned long); -#else /* CONFIG_MEMORY_HOTPLUG */ - -static inline int register_ipcns_notifier(struct ipc_namespace *ipcns) -{ - return 0; -} -static inline int unregister_ipcns_notifier(struct ipc_namespace *ipcns) -{ - return 0; -} -static inline int ipcns_notify(unsigned long ev) -{ - return 0; -} - -#endif /* CONFIG_MEMORY_HOTPLUG */ - #else /* CONFIG_SYSVIPC */ #define INIT_IPC_NS(ns) #endif /* CONFIG_SYSVIPC */ |