1 files changed, 0 insertions, 40 deletions

diff --git a/ipc/util.c b/ipc/util.c
index 88adc329888c..106bed0378ab 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -71,44 +71,6 @@ struct ipc_proc_iface {
         int (*show)(struct seq_file *, void *);
 };
 
-static void ipc_memory_notifier(struct work_struct *work)
-{
-        ipcns_notify(IPCNS_MEMCHANGED);
-}
-
-static int ipc_memory_callback(struct notifier_block *self,
-                                unsigned long action, void *arg)
-{
-        static DECLARE_WORK(ipc_memory_wq, ipc_memory_notifier);
-
-        switch (action) {
-        case MEM_ONLINE:    /* memory successfully brought online */
-        case MEM_OFFLINE:   /* or offline: it's time to recompute msgmni */
-                /*
-                 * This is done by invoking the ipcns notifier chain with the
-                 * IPC_MEMCHANGED event.
-                 * In order not to keep the lock on the hotplug memory chain
-                 * for too long, queue a work item that will, when waken up,
-                 * activate the ipcns notification chain.
-                 */
-                schedule_work(&ipc_memory_wq);
-                break;
-        case MEM_GOING_ONLINE:
-        case MEM_GOING_OFFLINE:
-        case MEM_CANCEL_ONLINE:
-        case MEM_CANCEL_OFFLINE:
-        default:
-                break;
-        }
-
-        return NOTIFY_OK;
-}
-
-static struct notifier_block ipc_memory_nb = {
-        .notifier_call = ipc_memory_callback,
-        .priority = IPC_CALLBACK_PRI,
-};
-
 /**
  * ipc_init - initialise ipc subsystem
  *
@@ -124,8 +86,6 @@ static int __init ipc_init(void)
         sem_init();
         msg_init();
         shm_init();
-        register_hotmemory_notifier(&ipc_memory_nb);
-        register_ipcns_notifier(&init_ipc_ns);
         return 0;
 }
 device_initcall(ipc_init);