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From: John Kacur on 5 Aug 2010 11:20
There is no longer any functional difference between
__debug_show_held_locks() and debug_show_held_locks(),
so remove the former.

Signed-off-by: John Kacur <jkacur(a)redhat.com>
---
include/linux/debug_locks.h | 5 -----
kernel/hung_task.c | 2 +-
kernel/lockdep.c | 8 +-------
3 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 29b3ce3..2833452 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -49,7 +49,6 @@ struct task_struct;

#ifdef CONFIG_LOCKDEP
extern void debug_show_all_locks(void);
-extern void __debug_show_held_locks(struct task_struct *task);
extern void debug_show_held_locks(struct task_struct *task);
extern void debug_check_no_locks_freed(const void *from, unsigned long len);
extern void debug_check_no_locks_held(struct task_struct *task);
@@ -58,10 +57,6 @@ static inline void debug_show_all_locks(void)
{
}

-static inline void __debug_show_held_locks(struct task_struct *task)
-{
-}
-
static inline void debug_show_held_locks(struct task_struct *task)
{
}
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 0c642d5..bca9423 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -98,7 +98,7 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
printk(KERN_ERR "\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\""
" disables this message.\n");
sched_show_task(t);
- __debug_show_held_locks(t);
+ debug_show_held_locks(t);

touch_nmi_watchdog();

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 5428679..843030b 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3775,7 +3775,7 @@ EXPORT_SYMBOL_GPL(debug_show_all_locks);
* Careful: only use this function if you are sure that
* the task cannot run in parallel!
*/
-void __debug_show_held_locks(struct task_struct *task)
+void debug_show_held_locks(struct task_struct *task)
{
if (unlikely(!debug_locks)) {
printk("INFO: lockdep is turned off.\n");
@@ -3783,12 +3783,6 @@ void __debug_show_held_locks(struct task_struct *task)
}
lockdep_print_held_locks(task);
}
-EXPORT_SYMBOL_GPL(__debug_show_held_locks);
-
-void debug_show_held_locks(struct task_struct *task)
-{
- __debug_show_held_locks(task);
-}
EXPORT_SYMBOL_GPL(debug_show_held_locks);

void lockdep_sys_exit(void)
--
1.7.2

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