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>

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 3a619f5..d4b2f1c 100644 (file)
--- 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 bec4485..033a648 100644 (file)
--- 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;