[PATCH] alpha: atomic_inc_and_test()

From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>

It seems atomic_inc_and_test() is missing on alpha.

include/asm-alpha/atomic.h

@@ -180,6 +180,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 #define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
 #define atomic64_sub_and_test(i,v) (atomic64_sub_return((i), (v)) == 0)
 
+#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)
 #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
 #define atomic64_dec_and_test(v) (atomic64_sub_return(1, (v)) == 0)