[PATCH] kernel/: small cleanups

This patch contains the following cleanups:
- make needlessly global functions static
- every file should include the headers containing the prototypes for
  it's global functions

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/audit.c b/kernel/audit.c
index 32fa03a..d13ab7d 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -267,7 +267,7 @@
 	return old;
 }
 
-int kauditd_thread(void *dummy)
+static int kauditd_thread(void *dummy)
 {
 	struct sk_buff *skb;
 
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 8a64a48..d03b5ee 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -10,6 +10,8 @@
 #include <linux/proc_fs.h>
 #include <linux/interrupt.h>
 
+#include "internals.h"
+
 static struct proc_dir_entry *root_irq_dir, *irq_dir[NR_IRQS];
 
 #ifdef CONFIG_SMP
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 49fbbef..36efe08 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -103,7 +103,7 @@
 /*
  * Allocate an element from the rcu_tortures pool.
  */
-struct rcu_torture *
+static struct rcu_torture *
 rcu_torture_alloc(void)
 {
 	struct list_head *p;
diff --git a/kernel/timer.c b/kernel/timer.c
index fd74268..074b4bd 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -33,6 +33,7 @@
 #include <linux/posix-timers.h>
 #include <linux/cpu.h>
 #include <linux/syscalls.h>
+#include <linux/delay.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>