3 files changed, 7 insertions, 3 deletions

diff --git a/include/asm-alpha/barrier.h b/include/asm-alpha/barrier.h
index 229c83fe77cb..681ff581afa5 100644
--- a/include/asm-alpha/barrier.h
+++ b/include/asm-alpha/barrier.h
@@ -1,6 +1,8 @@
 #ifndef __BARRIER_H
 #define __BARRIER_H
 
+#include <asm/compiler.h>
+
 #define mb() \
 __asm__ __volatile__("mb": : :"memory")
 
diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h
index 8e058a67c9a4..fafdd4f7010a 100644
--- a/include/asm-alpha/rwsem.h
+++ b/include/asm-alpha/rwsem.h
@@ -262,5 +262,10 @@ static inline long rwsem_atomic_update(long val, struct rw_semaphore *sem)
 #endif
 }
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+        return (sem->count != 0);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ALPHA_RWSEM_H */
diff --git a/include/asm-alpha/semaphore.h b/include/asm-alpha/semaphore.h
index eb2cbd97d404..1a6295f2c2d4 100644
--- a/include/asm-alpha/semaphore.h
+++ b/include/asm-alpha/semaphore.h
@@ -26,9 +26,6 @@ struct semaphore {
         .wait   = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait),   \
 }
 
-#define __MUTEX_INITIALIZER(name)                       \
-        __SEMAPHORE_INITIALIZER(name,1)
-
 #define __DECLARE_SEMAPHORE_GENERIC(name,count)         \
         struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)