linux-kernel - Re: [PATCH] atomic: add *_dec_not

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Message-Id: <20110503.231255.115931602.davem@davemloft.net>
Date:	Tue, 03 May 2011 23:12:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sven@...fation.org
Cc:	linux-kernel@...r.kernel.org, dhowells@...hat.com,
	cmetcalf@...era.com, x86@...nel.org, linux-alpha@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	linux-cris-kernel@...s.com, linux-ia64@...r.kernel.org,
	linux-m32r@...linux-m32r.org, linux-m68k@...ts.linux-m68k.org,
	linux-mips@...ux-mips.org, linux-am33-list@...hat.com,
	linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
	sparclinux@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] atomic: add *_dec_not_zero

From: Sven Eckelmann <sven@...fation.org>
Date: Tue,  3 May 2011 23:30:35 +0200

> 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.
> 
> Reported-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Sven Eckelmann <sven@...fation.org>

Acked-by: David S. Miller <davem@...emloft.net>
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