+int __sched mutex_lock_killable(struct mutex *lock)
+{
+ might_sleep();
+ return __mutex_fastpath_lock_retval
+ (&lock->count, __mutex_lock_killable_slowpath);
+}
+EXPORT_SYMBOL(mutex_lock_killable);
+
+static noinline void __sched
+__mutex_lock_slowpath(atomic_t *lock_count)
+{
+ struct mutex *lock = container_of(lock_count, struct mutex, count);
+
+ __mutex_lock_common(lock, TASK_UNINTERRUPTIBLE, 0, _RET_IP_);
+}
+
+static noinline int __sched
+__mutex_lock_killable_slowpath(atomic_t *lock_count)
+{
+ struct mutex *lock = container_of(lock_count, struct mutex, count);
+
+ return __mutex_lock_common(lock, TASK_KILLABLE, 0, _RET_IP_);
+}
+
+static noinline int __sched