diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mutex.h | 2 | ||||
| -rw-r--r-- | include/linux/sched.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 2bf91b57591b..2143d05116be 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -202,4 +202,6 @@ DEFINE_GUARD(mutex, struct mutex *, mutex_lock(_T), mutex_unlock(_T)) DEFINE_GUARD_COND(mutex, _try, mutex_trylock(_T)) DEFINE_GUARD_COND(mutex, _intr, mutex_lock_interruptible(_T) == 0) +extern unsigned long mutex_get_owner(struct mutex *lock); + #endif /* __LINUX_MUTEX_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 9c15365a30c0..1419d94c8e87 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1217,6 +1217,10 @@ struct task_struct { struct mutex_waiter *blocked_on; #endif +#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER + struct mutex *blocker_mutex; +#endif + #ifdef CONFIG_DEBUG_ATOMIC_SLEEP int non_block_count; #endif |