vserver 2.0 rc7

[linux-2.6.git] / include / asm-arm / atomic.h

diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index dc96af6..2885972 100644 (file)
--- a/include/asm-arm/atomic.h
+++ b/include/asm-arm/atomic.h
@@ -151,6 +151,7 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
 #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
 #define atomic_inc_return(v)    (atomic_add_return(1, v))
 #define atomic_dec_return(v)    (atomic_sub_return(1, v))
+#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
 
 #define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)