linux-kernel - Re: [PATCH] linux/fs.h - Convert debug functions declared inline __attribute__((format (printf,x,y) to statement expression macros

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Date:	Tue, 26 Feb 2008 23:38:10 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Joe Perches <joe@...ches.com>
cc:	Matthew Wilcox <matthew@....cx>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, gcc@....gnu.org
Subject: Re: [PATCH] linux/fs.h - Convert debug functions declared inline
 __attribute__((format (printf,x,y) to statement expression macros

On Tue, 26 Feb 2008, Joe Perches wrote:

> > I'm not seeing any change in text size with allyesconfig after applying 
> > this patch with latest git:
> 
> This is just x86 defconfig
> 

allyesconfig should be able to capture any text savings that this patch 
offers.

> > Joe, what version of gcc are you using?
> 
> $ gcc --version
> gcc (GCC) 4.2.2 20071128 (prerelease) (4.2.2-3.1mdv2008.0)
> 

My x86_64 defconfig with gcc 4.0.3 had no difference in text size after 
applying your patch, yet the same config on gcc 4.1.2 did:

	   text	   data	    bss	    dec	    hex	filename
	5386112	 846328	 719560	6952000	 6a1440	vmlinux.before
	5386048	 846328	 719560	6951936	 6a1400	vmlinux.after
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