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authorCedric Le Goater <clg@fr.ibm.com>2007-07-15 23:40:58 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:47 -0700
commit7d69a1f4a72b18876c99c697692b78339d491568 (patch)
treec09faf07f15240592919ec7e3dd722fe4f1dd370 /include/linux/ipc.h
parent522ed7767e800cff6c650ec64b0ee0677303119c (diff)
download96b-common-7d69a1f4a72b18876c99c697692b78339d491568.tar.gz
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>
Diffstat (limited to 'include/linux/ipc.h')
-rw-r--r--include/linux/ipc.h11
1 files changed, 3 insertions, 8 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 7c8c6d8d090c..3fd3ddd5f0d9 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 */
-
-