ipc,msg: move some msgq ns code around

Nothing big and no logical changes, just get rid of some redundant
function declarations.  Move msg_[init/exit]_ns down the end of the
file.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 63 insertions, 69 deletions

diff --git a/ipc/msg.c b/ipc/msg.c
index 5a8489b36e5f..6d33e30c7c39 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -70,75 +70,6 @@ struct msg_sender {
 
 #define msg_ids(ns)     ((ns)->ids[IPC_MSG_IDS])
 
-static void freeque(struct ipc_namespace *, struct kern_ipc_perm *);
-static int newque(struct ipc_namespace *, struct ipc_params *);
-#ifdef CONFIG_PROC_FS
-static int sysvipc_msg_proc_show(struct seq_file *s, void *it);
-#endif
-
-/*
- * Scale msgmni with the available lowmem size: the memory dedicated to msg
- * queues should occupy at most 1/MSG_MEM_SCALE of lowmem.
- * Also take into account the number of nsproxies created so far.
- * This should be done staying within the (MSGMNI , IPCMNI/nr_ipc_ns) range.
- */
-void recompute_msgmni(struct ipc_namespace *ns)
-{
-        struct sysinfo i;
-        unsigned long allowed;
-        int nb_ns;
-
-        si_meminfo(&i);
-        allowed = (((i.totalram - i.totalhigh) / MSG_MEM_SCALE) * i.mem_unit)
-                / MSGMNB;
-        nb_ns = atomic_read(&nr_ipc_ns);
-        allowed /= nb_ns;
-
-        if (allowed < MSGMNI) {
-                ns->msg_ctlmni = MSGMNI;
-                return;
-        }
-
-        if (allowed > IPCMNI / nb_ns) {
-                ns->msg_ctlmni = IPCMNI / nb_ns;
-                return;
-        }
-
-        ns->msg_ctlmni = allowed;
-}
-
-void msg_init_ns(struct ipc_namespace *ns)
-{
-        ns->msg_ctlmax = MSGMAX;
-        ns->msg_ctlmnb = MSGMNB;
-
-        recompute_msgmni(ns);
-
-        atomic_set(&ns->msg_bytes, 0);
-        atomic_set(&ns->msg_hdrs, 0);
-        ipc_init_ids(&ns->ids[IPC_MSG_IDS]);
-}
-
-#ifdef CONFIG_IPC_NS
-void msg_exit_ns(struct ipc_namespace *ns)
-{
-        free_ipcs(ns, &msg_ids(ns), freeque);
-        idr_destroy(&ns->ids[IPC_MSG_IDS].ipcs_idr);
-}
-#endif
-
-void __init msg_init(void)
-{
-        msg_init_ns(&init_ipc_ns);
-
-        printk(KERN_INFO "msgmni has been set to %d\n",
-                init_ipc_ns.msg_ctlmni);
-
-        ipc_init_proc_interface("sysvipc/msg",
-                                "       key      msqid perms      cbytes       qnum lspid lrpid   uid   gid  cuid  cgid      stime      rtime      ctime\n",
-                                IPC_MSG_IDS, sysvipc_msg_proc_show);
-}
-
 static inline struct msg_queue *msq_obtain_object(struct ipc_namespace *ns, int id)
 {
         struct kern_ipc_perm *ipcp = ipc_obtain_object(&msg_ids(ns), id);
@@ -1054,6 +985,57 @@ SYSCALL_DEFINE5(msgrcv, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz,
         return do_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg, do_msg_fill);
 }
 
+/*
+ * Scale msgmni with the available lowmem size: the memory dedicated to msg
+ * queues should occupy at most 1/MSG_MEM_SCALE of lowmem.
+ * Also take into account the number of nsproxies created so far.
+ * This should be done staying within the (MSGMNI , IPCMNI/nr_ipc_ns) range.
+ */
+void recompute_msgmni(struct ipc_namespace *ns)
+{
+        struct sysinfo i;
+        unsigned long allowed;
+        int nb_ns;
+
+        si_meminfo(&i);
+        allowed = (((i.totalram - i.totalhigh) / MSG_MEM_SCALE) * i.mem_unit)
+                / MSGMNB;
+        nb_ns = atomic_read(&nr_ipc_ns);
+        allowed /= nb_ns;
+
+        if (allowed < MSGMNI) {
+                ns->msg_ctlmni = MSGMNI;
+                return;
+        }
+
+        if (allowed > IPCMNI / nb_ns) {
+                ns->msg_ctlmni = IPCMNI / nb_ns;
+                return;
+        }
+
+        ns->msg_ctlmni = allowed;
+}
+
+void msg_init_ns(struct ipc_namespace *ns)
+{
+        ns->msg_ctlmax = MSGMAX;
+        ns->msg_ctlmnb = MSGMNB;
+
+        recompute_msgmni(ns);
+
+        atomic_set(&ns->msg_bytes, 0);
+        atomic_set(&ns->msg_hdrs, 0);
+        ipc_init_ids(&ns->ids[IPC_MSG_IDS]);
+}
+
+#ifdef CONFIG_IPC_NS
+void msg_exit_ns(struct ipc_namespace *ns)
+{
+        free_ipcs(ns, &msg_ids(ns), freeque);
+        idr_destroy(&ns->ids[IPC_MSG_IDS].ipcs_idr);
+}
+#endif
+
 #ifdef CONFIG_PROC_FS
 static int sysvipc_msg_proc_show(struct seq_file *s, void *it)
 {
@@ -1078,3 +1060,15 @@ static int sysvipc_msg_proc_show(struct seq_file *s, void *it)
                         msq->q_ctime);
 }
 #endif
+
+void __init msg_init(void)
+{
+        msg_init_ns(&init_ipc_ns);
+
+        printk(KERN_INFO "msgmni has been set to %d\n",
+                init_ipc_ns.msg_ctlmni);
+
+        ipc_init_proc_interface("sysvipc/msg",
+                                "       key      msqid perms      cbytes       qnum lspid lrpid   uid   gid  cuid  cgid      stime      rtime      ctime\n",
+                                IPC_MSG_IDS, sysvipc_msg_proc_show);
+}