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remove CONFIG_UTS_NS and CONFIG_IPC_NS

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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>
This commit is contained in:
Cedric Le Goater 2007-07-15 23:40:58 -07:00 • committed by Linus Torvalds
parent 522ed7767e
commit 7d69a1f4a7
11 changed files with 12 additions and 79 deletions
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11
include/linux/ipc.h
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@ -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 */