sysctl extern cleanup: rtmutex

Extern declarations in sysctl.c should be moved to their own header 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>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h
index 281d8fd775e8aa1648171b1247d753e0595a1d16..8d522ffeda336e4d9a1f38f96c1ce73f333252ed 100644 (file)
--- a/include/linux/rtmutex.h
+++ b/include/linux/rtmutex.h
@@ -16,6 +16,8 @@
 #include <linux/plist.h>
 #include <linux/spinlock_types.h>
 
+extern int max_lock_depth; /* for sysctl */
+
 /**
  * The rt_mutex structure
  *

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 7635bb15f5afef648dad15b62451cd55d0116b14..622029ba5103139b41e86df3a7301d648c49e894 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -64,6 +64,9 @@
 #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
@@ -150,10 +153,6 @@ 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);