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Date: Tue, 18 Jun 2013 11:14:38 -0400 From: Theodore Ts'o <tytso@....edu> To: Joe Perches <joe@...ches.com> Cc: linux-kernel@...r.kernel.org, Dave Kleikamp <dave.kleikamp@...cle.com>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, linux-embedded@...r.kernel.org, Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org Subject: Re: [PATCH] ext4: Reduce object size when !CONFIG_PRINTK On Tue, Jun 04, 2013 at 07:55:05PM -0700, Joe Perches wrote: > Reduce the object size ~10% could be useful for embedded > systems. > > Add #ifdef CONFIG_PRINTK #else #endif blocks > to hold formats and arguments, passing " " to > functions when !CONFIG_PRINTK and still verifying > format and arguments with no_printk. > > $ size fs/ext4/built-in.o* > text data bss dec hex filename > 239375 610 888 240873 3ace9 fs/ext4/built-in.o.new > 264167 738 888 265793 40e41 fs/ext4/built-in.o.old > > $ grep -E "CONFIG_EXT4|CONFIG_PRINTK" .config > # CONFIG_PRINTK is not set > CONFIG_EXT4_FS=y > CONFIG_EXT4_USE_FOR_EXT23=y > CONFIG_EXT4_FS_POSIX_ACL=y > # CONFIG_EXT4_FS_SECURITY is not set > # CONFIG_EXT4_DEBUG is not set > > Signed-off-by: Joe Perches <joe@...ches.com> Applied, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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