From 7d69a1f4a72b18876c99c697692b78339d491568 Mon Sep 17 00:00:00 2001
From: Cedric Le Goater <clg@fr.ibm.com>
Date: Sun, 15 Jul 2007 23:40:58 -0700
Subject: remove CONFIG_UTS_NS and CONFIG_IPC_NS

CONFIG_UTS_NS and CONFIG_IPC_NS have very little value as they only
deactivate the unshare of the uts and ipc namespaces and do not improve
performance.

Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Acked-by: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/ipc.h | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

(limited to 'include/linux/ipc.h')

diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 7c8c6d8d090..3fd3ddd5f0d 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -93,6 +93,7 @@ extern struct ipc_namespace init_ipc_ns;
 
 #ifdef CONFIG_SYSVIPC
 #define INIT_IPC_NS(ns)		.ns		= &init_ipc_ns,
+extern void free_ipc_ns(struct kref *kref);
 extern struct ipc_namespace *copy_ipcs(unsigned long flags,
 						struct ipc_namespace *ns);
 #else
@@ -104,13 +105,9 @@ static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
 }
 #endif
 
-#ifdef CONFIG_IPC_NS
-extern void free_ipc_ns(struct kref *kref);
-#endif
-
 static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
 {
-#ifdef CONFIG_IPC_NS
+#ifdef CONFIG_SYSVIPC
 	if (ns)
 		kref_get(&ns->kref);
 #endif
@@ -119,7 +116,7 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
 
 static inline void put_ipc_ns(struct ipc_namespace *ns)
 {
-#ifdef CONFIG_IPC_NS
+#ifdef CONFIG_SYSVIPC
 	kref_put(&ns->kref, free_ipc_ns);
 #endif
 }
@@ -127,5 +124,3 @@ static inline void put_ipc_ns(struct ipc_namespace *ns)
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_IPC_H */
-
-
-- 
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