From: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Subject [RFC][PATCH 4/5] Remove nsproxy->pid_ns

Remove the struct pid_namespace * field from struct nsproxy as its
no longer used.

Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: containers@lists.osdl.org
---
 include/linux/init_task.h |    1 -
 include/linux/nsproxy.h   |    2 --
 kernel/nsproxy.c          |    2 --
 3 files changed, 5 deletions(-)

Index: lx26-20-mm2b/include/linux/nsproxy.h
===================================================================
--- lx26-20-mm2b.orig/include/linux/nsproxy.h	2007-03-09 19:00:14.000000000 -0800
+++ lx26-20-mm2b/include/linux/nsproxy.h	2007-03-09 19:01:26.000000000 -0800
@@ -7,7 +7,6 @@
 struct mnt_namespace;
 struct uts_namespace;
 struct ipc_namespace;
-struct pid_namespace;
 
 /*
  * A structure to contain pointers to all per-process
@@ -27,7 +26,6 @@ struct nsproxy {
 	struct uts_namespace *uts_ns;
 	struct ipc_namespace *ipc_ns;
 	struct mnt_namespace *mnt_ns;
-	struct pid_namespace *pid_ns;
 };
 extern struct nsproxy init_nsproxy;
 
Index: lx26-20-mm2b/include/linux/init_task.h
===================================================================
--- lx26-20-mm2b.orig/include/linux/init_task.h	2007-03-09 19:00:11.000000000 -0800
+++ lx26-20-mm2b/include/linux/init_task.h	2007-03-09 19:01:26.000000000 -0800
@@ -72,7 +72,6 @@
 
 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,					\
Index: lx26-20-mm2b/kernel/nsproxy.c
===================================================================
--- lx26-20-mm2b.orig/kernel/nsproxy.c	2007-03-09 19:01:09.000000000 -0800
+++ lx26-20-mm2b/kernel/nsproxy.c	2007-03-09 19:01:26.000000000 -0800
@@ -137,7 +137,5 @@ void free_nsproxy(struct nsproxy *ns)
 		put_uts_ns(ns->uts_ns);
 	if (ns->ipc_ns)
 		put_ipc_ns(ns->ipc_ns);
-	if (ns->pid_ns)
-		put_pid_ns(ns->pid_ns);
 	kfree(ns);
 }
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