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Re: [PATCH] atomic: add *_dec_not_zero

To: Sven Eckelmann <>
Subject: Re: [PATCH] atomic: add *_dec_not_zero
From: Will Deacon <>
Date: Wed, 04 May 2011 18:27:36 +0100
Cc:,,,,,,,,,, Chris Metcalf <>, David Howells <>,,,,,,,
In-reply-to: <>
Original-recipient: rfc822;
References: <>
On Tue, 2011-05-03 at 22:30 +0100, 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.
For the ARM changes:

Acked-by: Will Deacon <>



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