From: Alex Zarochentsev Add a wrapper for atomic_sub_and_test into include/asm-arm/atomic.h Signed-off-by: Andrew Morton --- 25-akpm/include/asm-arm/atomic.h | 1 + 1 files changed, 1 insertion(+) diff -puN include/asm-arm/atomic.h~arm-atomic_sub_and_test include/asm-arm/atomic.h --- 25/include/asm-arm/atomic.h~arm-atomic_sub_and_test 2005-03-18 00:20:49.000000000 -0800 +++ 25-akpm/include/asm-arm/atomic.h 2005-03-18 00:20:49.000000000 -0800 @@ -151,6 +151,7 @@ static inline void atomic_clear_mask(uns #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) _