[PATCH 15/18] sysctl extern cleanup - rtmutex

[PATCH 15/18] sysctl extern cleanup - rtmutex

[Dave Young]

Extern declarations in sysctl.c should be move to their own head file,
and then include them in relavant .c files.

Move max_lock_depth extern declaration to linux/rtmutex.h

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
---
 include/linux/rtmutex.h |    4 ++++
 kernel/sysctl.c         |    5 +----
 2 files changed, 5 insertions(+), 4 deletions(-)

--- linux-2.6.32.orig/include/linux/rtmutex.h	2010-02-20 14:02:17.074926676 +0800
+++ linux-2.6.32/include/linux/rtmutex.h	2010-02-20 14:41:34.618025132 +0800
@@ -16,6 +16,10 @@
 #include <linux/plist.h>
 #include <linux/spinlock_types.h>
 
+#if defined(CONFIG_SYSCTL) && defined(CONFIG_RT_MUTEXES)
+extern int max_lock_depth;
+#endif
+
 /**
  * The rt_mutex structure
  *
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-20 14:40:22.392198031 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-20 14:40:24.232197892 +0800
@@ -63,6 +63,7 @@
 #include <linux/file.h>
 #include <linux/blk-iopoll.h>
 #include <linux/acct.h>
+#include <linux/rtmutex.h>
 #include <scsi/sg.h>
 
 #include <asm/uaccess.h>
@@ -130,10 +131,6 @@ extern int unaligned_dump_stack;
 
 extern struct ratelimit_state printk_ratelimit_state;
 
-#ifdef CONFIG_RT_MUTEXES
-extern int max_lock_depth;
-#endif
-
 #ifdef CONFIG_PROC_SYSCTL
 static int proc_do_cad_pid(struct ctl_table *table, int write,
 		  void __user *buffer, size_t *lenp, loff_t *ppos);