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Re: [PATCH] mac80211: use DECLARE_EVENT_CLASS

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On Fri, 2011-01-21 at 16:24 -0500, John W. Linville wrote:
> On Wed, Jan 19, 2011 at 12:50:59PM +0100, Johannes Berg wrote:
> > From: Johannes Berg <johannes.berg@xxxxxxxxx>
> > 
> > For events that include only the local struct as
> > their parameter, we can use DECLARE_EVENT_CLASS
> > and save quite some binary size across segments
> > as well lines of code.
> > 
> >    text	   data	    bss	    dec	    hex	filename
> >  375745	  19296	    916	 395957	  60ab5	mac80211.ko.before
> >  367473	  17888	    916	 386277	  5e4e5	mac80211.ko.after
> >   -8272   -1408       0   -9680   -25d0 delta
> > 
> > Some more tracepoints with identical arguments
> > could be combined like this but for now this is
> > the one that benefits most.
> > 
> > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> 
> Is this patch complete?  It seems to break the build with undefined symbols...

Yes, I believe it is, I'll resend the version I just compile tested
against wireless-testing.

johannes

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