From: Joe Perches <joe@perches.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Jason Baron <jbaron@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dynamic_debug: Remove unnecessary __used
Date: Thu, 18 Oct 2012 12:59:46 -0700 [thread overview]
Message-ID: <1350590386.5652.7.camel@joe-AO722> (raw)
In-Reply-To: <20121018194027.GA1246@kroah.com>
On Thu, 2012-10-18 at 12:40 -0700, Greg KH wrote:
> On Thu, Oct 18, 2012 at 12:07:03PM -0700, Joe Perches wrote:
> > The __used attribute prevents gcc from eliminating
> > unnecessary, otherwise optimized away, metadata for
> > debugging logging messages.
> >
> > Remove the __used attribute.
>
> Very cool. Any idea how much space this saves?
Dunno, it's been a while since I did an allyesconfig on my
netbook, my recollection is that was a few hundred kb.
https://lkml.org/lkml/2012/5/17/340
prev parent reply other threads:[~2012-10-18 19:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 19:07 Joe Perches
2012-10-18 19:20 ` Jason Baron
2012-10-18 21:02 ` Greg KH
2012-10-18 19:40 ` Greg KH
2012-10-18 19:59 ` Joe Perches [this message]
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