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Date: Fri, 10 Apr 2009 20:43:08 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Dag Bakke <dag@bakke.com>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: video (VGA) object-files unconditionally built/included?
Message-Id: <20090410204308.155b7d65.akpm@linux-foundation.org>
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On Fri, 10 Apr 2009 13:30:22 +0200 Dag Bakke <dag@bakke.com> wrote:

> Hi.
> 
> I am putting together a tiny kernel for an embedded x86 target. Space is
> tight, so I try to shave every kB I can get rid of.
> I don't have anything resembling VGA or graphics, and my .config
> reflects that. (Serial console.)
> 
> Yet, when building the kernel I see:
> 
>   LZMA    arch/x86/boot/compressed/vmlinux.bin.lzma
>   CC      arch/x86/boot/video.o
>   CC      arch/x86/boot/video-mode.o
>   CC      arch/x86/boot/version.o
>   CC      arch/x86/boot/video-vga.o
>   CC      arch/x86/boot/video-vesa.o
>   CC      arch/x86/boot/video-bios.o
> 
> # strings arch/x86/boot/bzImage | egrep -i 'vesa|vga|bios|mode'
> +VESA
> 0123456789ABCDEFPress <ENTER> to see video modes available, <SPACE> to
> continue, or wait 30 sec
> Mode: Resolution:  Type:
> Enter a video mode or "scan" to scan for additional modes:
> Undefined video mode number: %x
> VESA
> BIOS
> 
> 
> The video* objects sums up to 87kB. Can I get rid of that somehow? I am
> using current git.
> 
> This is my .config:
> http://tapas.homeip.net/~dagb/tiny.config
> 

I don't think those video things end up consuming memory after the
kernel has booted?

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