Date: Wed, 16 Aug 2006 20:35:04 +0200
From: Sam Ravnborg <sam@ravnborg.org>
To: Andi Kleen <ak@muc.de>
Cc: vgoyal@in.ibm.com,
       linux kernel mailing list <linux-kernel@vger.kernel.org>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Fastboot mailing list <fastboot@lists.osdl.org>,
       Don Zickus <dzickus@redhat.com>
Subject: Re: [PATCH] x86_64: Re-positioning the bss segment
Message-ID: <20060816183504.GB5852@mars.ravnborg.org>
References: <20060815214952.GB11719@in.ibm.com> <20060816170314.f16f8afa.ak@muc.de>
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On Wed, Aug 16, 2006 at 05:03:14PM +0200, Andi Kleen wrote:
 > 
> > o This patch moves the bss at the end hence reducing the size of
> >   bzImage by 896 bytes and size of vmlinux.bin by 600K.
> > 
> > o This change benefits in the context of relocatable kernel patches. If
> >   kernel bss is not part of compressed data (vmlinux.bin) then it does
> >   not have to be decompressed and this area can be used by the decompressor
> >   for its execution hence keeping the memory requirements bounded and 
> >   decompressor code does not stomp over any other data loaded beyond
> >   kernel image (As might be the case with bootloaders like kexec).
> 
> Merged thanks. 
> 
> Does i386 need a similar change?
If it does then I suggest moving the BSS definition to
include/asm-generic/vmlinux.lds.h

	Sam
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