linux-kernel - Re: [PATCH 0/3] build system: section garbage collection for vmlinux

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Message-Id: <1189182671.6303.42.camel@imap.mvista.com>
Date:	Fri, 07 Sep 2007 09:31:11 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	sam@...nborg.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] build system: section garbage collection for
	vmlinux

On Thu, 2007-09-06 at 18:07 +0100, Denys Vlasenko wrote:

> A bit extended version:
> 
> In the process in making it work I saw ~10% vmlinux size reductions
> (which basically matches what Marcelo says) when I wasn't retaining
> sections needed for EXPORT_SYMBOLs, but module loading didn't work.
> 
> Thus I fixed that by adding KEEP() directives so that EXPORT_SYMBOLs
> are never discarded. This was just one of many fixes until kernel
> started to actually boot and work.
> 
> I did that before I posted patches to lkml.
> IOW: posted patches are not broken versus module loading.

Ok, this is more like the explanation I was looking for..

During this thread you seemed to indicate the patches you release
reduced the kernel ~10% , but now your saying that was pre-release ,
right? 

Daniel

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