linux-kernel - Re: [PATCH] dynamic_debug: Remove unnecessary _

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Message-ID: <20121018194027.GA1246@kroah.com>
Date:	Thu, 18 Oct 2012 12:40:27 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Jason Baron <jbaron@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dynamic_debug: Remove unnecessary __used

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?

greg k-h
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