[PATCH -mm 15/17] sysctl extern cleanup - lockdep

[PATCH -mm 15/17] sysctl extern cleanup - lockdep

[Dave Young]

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

Move lockdep extern declarations to linux/lockdep.h

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
---
 include/linux/lockdep.h |    4 ++++
 kernel/sysctl.c         |    6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

--- linux-2.6.32.orig/include/linux/lockdep.h	2010-02-21 11:12:12.463446879 +0800
+++ linux-2.6.32/include/linux/lockdep.h	2010-02-21 11:22:50.809216778 +0800
@@ -12,6 +12,10 @@
 struct task_struct;
 struct lockdep_map;
 
+/* for sysctl */
+extern int prove_locking;
+extern int lock_stat;
+
 #ifdef CONFIG_LOCKDEP
 
 #include <linux/linkage.h>
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-21 11:22:37.322552208 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-21 11:23:13.929215242 +0800
@@ -69,6 +69,9 @@
 #ifdef CONFIG_RT_MUTEXES
 #include <linux/rtmutex.h>
 #endif
+#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+#include <linux/lockdep.h>
+#endif
 #ifdef CONFIG_CHR_DEV_SG
 #include <scsi/sg.h>
 #endif
@@ -175,9 +178,6 @@ extern struct ctl_table inotify_table[];
 extern struct ctl_table epoll_table[];
 #endif
 
-extern int prove_locking;
-extern int lock_stat;
-
 /* The default sysctl tables: */
 
 static struct ctl_table root_table[] = {