From mboxrd@z Thu Jan  1 00:00:00 1970
From: Valdis.Kletnieks@vt.edu
Subject: Re: [PATCH 1/23] make section names compatible with -ffunction-sections -fdata-sections
Date: Tue, 01 Jul 2008 18:56:13 -0400
Message-ID: <60320.1214952973@turing-police.cc.vt.edu>
References: <200807020233.48646.vda.linux@googlemail.com>
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In-Reply-To: Your message of "Wed, 02 Jul 2008 02:33:48 +0200."
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To: Denys Vlasenko <vda.linux@googlemail.com>
Cc: linux-arch@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, Russell King <rmk@arm.linux.org.uk>, David Howells <dhowells@redhat.com>, Ralf Baechle <ralf@linux-mips.org>, Lennert Buytenhek <kernel@wantstofly.org>, Josh Boyer <jwboyer@linux.vnet.ibm.com>, Paul Mackerras <paulus@samba.org>, David Woodhouse <dwmw2@infradead.org>, Andi Kleen <andi@firstfloor.org>, torvalds@linux-foundation.org, Paul Gortmaker <paul.gortmaker@windriver.com>, linux-embedded@vger.kernel.org, linux-kernel@vger.kernel.org, Tim Bird <tim.bird@am.sony.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Dave Miller <davem@davemloft.net>

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On Wed, 02 Jul 2008 02:33:48 +0200, Denys Vlasenko said:

> The purpose of these patches is to make kernel buildable
> with "gcc -ffunction-sections -fdata-sections".
> 
> Newer gcc and binutils can do dead code and data removal
> at link time. It is achieved using combination of
> -ffunction-sections -fdata-sections options for gcc and
> --gc-sections for ld.

Interesting idea.  Do you happen to have before-and-after 'size vmlinux'
numbers to show how much space is actually reclaimed?

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