[PATCH] rename struct pspace to struct pid_namespace

Rename struct pspace to struct pid_namespace for consistency with other
namespaces (uts_namespace and ipc_namespace).  Also rename
include/linux/pspace.h to include/linux/pid_namespace.h and variables from
pspace to pid_ns.

Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/pspace.h b/include/linux/pid_namespace.h
similarity index 69%
rename from include/linux/pspace.h
rename to include/linux/pid_namespace.h
index 91d48b8..54d7909 100644
--- a/include/linux/pspace.h
+++ b/include/linux/pid_namespace.h
@@ -1,5 +1,5 @@
-#ifndef _LINUX_PSPACE_H
-#define _LINUX_PSPACE_H
+#ifndef _LINUX_PID_NS_H
+#define _LINUX_PID_NS_H
 
 #include <linux/sched.h>
 #include <linux/mm.h>
@@ -13,11 +13,11 @@
 
 #define PIDMAP_ENTRIES         ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
 
-struct pspace {
+struct pid_namespace {
        struct pidmap pidmap[PIDMAP_ENTRIES];
        int last_pid;
 };
 
-extern struct pspace init_pspace;
+extern struct pid_namespace init_pid_ns;
 
-#endif /* _LINUX_PSPACE_H */
+#endif /* _LINUX_PID_NS_H */