It's called stopmachine_mutex now, but it's a semaphore. So make it
a "struct mutex" .

Signed-off-by: Daniel Walker <dwalker@mvista.com>

---
 kernel/stop_machine.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6.23/kernel/stop_machine.c
===================================================================
--- linux-2.6.23.orig/kernel/stop_machine.c
+++ linux-2.6.23/kernel/stop_machine.c
@@ -29,7 +29,7 @@ enum stopmachine_state {
 static enum stopmachine_state stopmachine_state;
 static unsigned int stopmachine_num_threads;
 static atomic_t stopmachine_thread_ack;
-static DECLARE_MUTEX(stopmachine_mutex);
+static DEFINE_MUTEX(stopmachine_mutex);
 
 static int stopmachine(void *cpu)
 {
@@ -177,7 +177,7 @@ struct task_struct *__stop_machine_run(i
 	smdata.data = data;
 	init_completion(&smdata.done);
 
-	down(&stopmachine_mutex);
+	mutex_lock(&stopmachine_mutex);
 
 	/* If they don't care which CPU fn runs on, bind to any online one. */
 	if (cpu == NR_CPUS)
@@ -193,7 +193,7 @@ struct task_struct *__stop_machine_run(i
 		wake_up_process(p);
 		wait_for_completion(&smdata.done);
 	}
-	up(&stopmachine_mutex);
+	mutex_unlock(&stopmachine_mutex);
 	return p;
 }
 

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