linux-kernel - Re: [PATCH] mtd: cfi: Deiline large functions

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Message-ID: <20150527194348.GI27753@ld-irv-0074>
Date:	Wed, 27 May 2015 12:44:33 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Denys Vlasenko <dvlasenk@...hat.com>
Cc:	David Woodhouse <David.Woodhouse@...el.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Jingoo Han <jg1.han@...sung.com>,
	Aaron Sierra <asierra@...-inc.com>,
	Artem Bityutskiy <Artem.Bityutskiy@...ux.intel.com>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: cfi: Deiline large functions

On Mon, May 18, 2015 at 12:58:40PM +0200, Denys Vlasenko wrote:
> With this .config: http://busybox.net/~vda/kernel_config,
> after uninlining these functions have sizes and callsite counts
> as follows:
> 
> cfi_udelay(): 74 bytes, 26 callsites
> cfi_send_gen_cmd(): 153 bytes, 95 callsites
> cfi_build_cmd(): 274 bytes, 123 callsites
> cfi_build_cmd_addr(): 49 bytes, 15 callsites
> cfi_merge_status(): 230 bytes, 3 callsites
> 
> Reduction in code size is about 50,000:
> 
>     text     data      bss       dec     hex filename
> 85842882 22294584 20627456 128764922 7accbfa vmlinux.before
> 85789648 22294616 20627456 128711720 7abfc28 vmlinux
> 
> Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
> CC: Dan Carpenter <dan.carpenter@...cle.com>
> CC: Jingoo Han <jg1.han@...sung.com>
> CC: Brian Norris <computersforpeace@...il.com>
> CC: Aaron Sierra <asierra@...-inc.com>
> CC: Artem Bityutskiy <Artem.Bityutskiy@...ux.intel.com>
> CC: David Woodhouse <David.Woodhouse@...el.com>
> CC: linux-mtd@...ts.infradead.org
> CC: linux-kernel@...r.kernel.org

Fixed the subject and applied to l2-mtd.git.

For my reference, did you test this, or just compile test?

Brian
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