locking/doc: Update references to kernel/mutex.c
Fix this docbook error:
>> docproc: kernel/mutex.c: No such file or directory
by updating the stale references to kernel/mutex.c.
Reported-by: fengguang.wu@intel.com
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-34pikw1tlsskj65rrt5iusrq@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index d24105b..4dd6e4c 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -1,5 +1,5 @@
/*
- * kernel/mutex.c
+ * kernel/locking/mutex.c
*
* Mutexes: blocking mutual exclusion locks
*
