Remove unused member from nsproxy

The nslock spinlock is not used in the kernel at all.  Remove it.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 3a619f57a2b2..d4b2f1c76e12 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -76,7 +76,6 @@ extern struct nsproxy init_nsproxy;
 #define INIT_NSPROXY(nsproxy) {                                         \
         .pid_ns         = &init_pid_ns,                                 \
         .count          = ATOMIC_INIT(1),                               \
-        .nslock         = __SPIN_LOCK_UNLOCKED(nsproxy.nslock),         \
         .uts_ns         = &init_uts_ns,                                 \
         .mnt_ns         = NULL,                                         \
         INIT_NET_NS(net_ns)                                             \
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index bec4485e3d76..033a648709b6 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -23,7 +23,6 @@ struct pid_namespace;
  */
 struct nsproxy {
         atomic_t count;
-        spinlock_t nslock;
         struct uts_namespace *uts_ns;
         struct ipc_namespace *ipc_ns;
         struct mnt_namespace *mnt_ns;