[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: how to increase commandline size (patch + changelog)
From: |
Marco Gerards |
Subject: |
Re: how to increase commandline size (patch + changelog) |
Date: |
Tue, 10 Oct 2006 08:54:43 +0200 |
User-agent: |
Gnus/5.110004 (No Gnus v0.4) Emacs/21.4 (gnu/linux) |
Jeff Chua <address@hidden> writes:
> On Mon, 9 Oct 2006, Hollis Blanchard wrote:
>
>>> Shall I use '#ifdef __linux__' to include <asm/param.h> only on linux, and
>>> '#define COMMAND_LINE_SIZE 255' for non-linux system?
>>
> 5B> Well, does this number change often? If not, let's just copy it.
>>
>> If so, then we're screwed anyways because asm/param.h would only match
>> the installed kernel's limit, so may not work for other kernel versions.
>
> You're right. asm/param.h determines the limit. We've read this from
> here for linux.
>
> The idea is that there are users out there who wants to pass quite a
> few parameters during boot, and loadlin currently handles this. I'm
> passing network address, netmask, broadcast, hostname, modules_to_load
> and boot the system up using ramdisk. This allow every system to be
> unique and yet able to boot from the same CDROM/image.
>
> So, another approach is to use "configure --CommandLineSize=1024" to
> specify the size, but I thought reading from asm/param.h would be
> easier.
I don't like limits that are introduced at compile time. It means
that either things break when a kernel with other limits are used. Or
that users will get binaries with limits (for example, when using a
GRUB 2 package).
--
Marco
- Re: how to increase commandline size (fwd), Jeff Chua, 2006/10/09
- Re: how to increase commandline size (patch + changelog), Jeff Chua, 2006/10/09
- Re: how to increase commandline size (patch + changelog), Hollis Blanchard, 2006/10/09
- Re: how to increase commandline size (patch + changelog), Marco Gerards, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Jeff Chua, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Markus Laire, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Marco Gerards, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Hollis Blanchard, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Marco Gerards, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Jeff Chua, 2006/10/10
- Re: how to increase commandline size (patch + changelog), Yoshinori K. Okuji, 2006/10/13