linux-kernel - [PATCH] Remove unused member from nsproxy

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Date:	Wed, 26 Sep 2007 17:14:33 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Andrew Morton <akpm@...l.org>
CC:	Serge Hallyn <serue@...ibm.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] Remove unused member from nsproxy

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

Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>

---

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index a3f2541..cae35b6 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -73,7 +73,6 @@ 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 4d564d8..0e66b57 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;
-
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