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Message-ID: <60320.1214952973@turing-police.cc.vt.edu>
Date: Tue, 01 Jul 2008 18:56:13 -0400
From: Valdis.Kletnieks@...edu
To: Denys Vlasenko <vda.linux@...glemail.com>
Cc: linux-arch@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Russell King <rmk@....linux.org.uk>,
David Howells <dhowells@...hat.com>,
Ralf Baechle <ralf@...ux-mips.org>,
Lennert Buytenhek <kernel@...tstofly.org>,
Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
Paul Mackerras <paulus@...ba.org>,
David Woodhouse <dwmw2@...radead.org>,
Andi Kleen <andi@...stfloor.org>,
torvalds@...ux-foundation.org,
Paul Gortmaker <paul.gortmaker@...driver.com>,
linux-embedded@...r.kernel.org, linux-kernel@...r.kernel.org,
Tim Bird <tim.bird@...sony.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Dave Miller <davem@...emloft.net>
Subject: Re: [PATCH 1/23] make section names compatible with -ffunction-sections -fdata-sections
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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