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authorAlexey Dobriyan <adobriyan@gmail.com>2009-06-17 16:27:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:03:56 -0700
commitb4188def441197d38f20e0935372780ed7c0e19d (patch)
tree483d47961a7c18a9d15f81cb8690f66feeb566bc /ipc/namespace.c
parent90af90d7d3a7411db64860c9d6e5798ff87cad08 (diff)
downloadlinux-b4188def441197d38f20e0935372780ed7c0e19d.tar.gz
ipcns: make free_ipc_ns() static
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/namespace.c')
-rw-r--r--ipc/namespace.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 231ee5359abf..a1094ff0befa 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -83,6 +83,30 @@ void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
 	up_write(&ids->rw_mutex);
 }
 
+static void free_ipc_ns(struct ipc_namespace *ns)
+{
+	/*
+	 * Unregistering the hotplug notifier at the beginning guarantees
+	 * that the ipc namespace won't be freed while we are inside the
+	 * callback routine. Since the blocking_notifier_chain_XXX routines
+	 * hold a rw lock on the notifier list, unregister_ipcns_notifier()
+	 * won't take the rw lock before blocking_notifier_call_chain() has
+	 * released the rd lock.
+	 */
+	unregister_ipcns_notifier(ns);
+	sem_exit_ns(ns);
+	msg_exit_ns(ns);
+	shm_exit_ns(ns);
+	kfree(ns);
+	atomic_dec(&nr_ipc_ns);
+
+	/*
+	 * Do the ipcns removal notification after decrementing nr_ipc_ns in
+	 * order to have a correct value when recomputing msgmni.
+	 */
+	ipcns_notify(IPCNS_REMOVED);
+}
+
 /*
  * put_ipc_ns - drop a reference to an ipc namespace.
  * @ns: the namespace to put
@@ -108,27 +132,3 @@ void put_ipc_ns(struct ipc_namespace *ns)
 		free_ipc_ns(ns);
 	}
 }
-
-void free_ipc_ns(struct ipc_namespace *ns)
-{
-	/*
-	 * Unregistering the hotplug notifier at the beginning guarantees
-	 * that the ipc namespace won't be freed while we are inside the
-	 * callback routine. Since the blocking_notifier_chain_XXX routines
-	 * hold a rw lock on the notifier list, unregister_ipcns_notifier()
-	 * won't take the rw lock before blocking_notifier_call_chain() has
-	 * released the rd lock.
-	 */
-	unregister_ipcns_notifier(ns);
-	sem_exit_ns(ns);
-	msg_exit_ns(ns);
-	shm_exit_ns(ns);
-	kfree(ns);
-	atomic_dec(&nr_ipc_ns);
-
-	/*
-	 * Do the ipcns removal notification after decrementing nr_ipc_ns in
-	 * order to have a correct value when recomputing msgmni.
-	 */
-	ipcns_notify(IPCNS_REMOVED);
-}