[PATCH] atomic: add *_dec_not_zero

[Sven Eckelmann]

On Wednesday 04 May 2011 10:05:53 David Laight 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.
> 
> Isn't there a place where a default definition of this can be
> defined? Instead of adding it separately to every architecture.

Not that I would know about such a place - and all other atomic* macro 
definitions also suggest that there is no such place.

Kind regards,
	Sven
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