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Date:	Wed, 4 May 2011 09:03:12 +0200
From:	Ingo Molnar <>
To:	Sven Eckelmann <>
Cc:, David Howells <>,
	Chris Metcalf <>,,,,,,,,,,,,,,,,
Subject: Re: [PATCH] atomic: add *_dec_not_zero

* Sven Eckelmann <> 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 <>


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