From 820e45db2380eb1545fa2bc5d34b8b2f2933faeb Mon Sep 17 00:00:00 2001
From: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Date: Thu, 10 May 2007 22:23:00 -0700
Subject: statically initialize struct pid for swapper

Statically initialize a struct pid for the swapper process (pid_t == 0) and
attach it to init_task.  This is needed so task_pid(), task_pgrp() and
task_session() interfaces work on the swapper process also.

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: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: <containers@lists.osdl.org>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/pid.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/pid.h')

diff --git a/include/linux/pid.h b/include/linux/pid.h
index 33d343880d89..1e0e4e3423a6 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -51,6 +51,8 @@ struct pid
 	struct rcu_head rcu;
 };
 
+extern struct pid init_struct_pid;
+
 struct pid_link
 {
 	struct hlist_node node;
-- 
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