[PATCH -mm 14/17] sysctl extern cleanup - rtmutex

[PATCH -mm 14/17] 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 |    2 ++
 kernel/sysctl.c         |    7 +++----
 2 files changed, 5 insertions(+), 4 deletions(-)

--- linux-2.6.32.orig/include/linux/rtmutex.h	2010-02-21 11:12:13.050112777 +0800
+++ linux-2.6.32/include/linux/rtmutex.h	2010-02-21 11:22:18.069219013 +0800
@@ -16,6 +16,8 @@
 #include <linux/plist.h>
 #include <linux/spinlock_types.h>
 
+extern int max_lock_depth; /* for sysctl */
+
 /**
  * The rt_mutex structure
  *
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-21 11:22:08.955888265 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-21 11:22:37.322552208 +0800
@@ -66,6 +66,9 @@
 #ifdef CONFIG_BSD_PROCESS_ACCT
 #include <linux/acct.h>
 #endif
+#ifdef CONFIG_RT_MUTEXES
+#include <linux/rtmutex.h>
+#endif
 #ifdef CONFIG_CHR_DEV_SG
 #include <scsi/sg.h>
 #endif
@@ -138,10 +141,6 @@ 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);