[PATCH] atomic: add *_dec_not_zero

[Ingo Molnar]

* Sven Eckelmann <sven at narfation.org> wrote:

> Introduce an *_dec_not_zero operation.  Make this a special case of
> *_add_unless because batman-adv uses atomic_dec_not_zero in different
> places like re-broadcast queue or aggregation queue management. There
> are other non-final patches which may also want to use this macro.

>  arch/x86/include/asm/atomic.h      |    1 +
>  arch/x86/include/asm/atomic64_64.h |    1 +

Acked-by: Ingo Molnar <mingo at elte.hu>

Thanks,

	Ingo