Re: [PATCH 00/26] Dynamic kernel command-line

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Hi.

On Mon, 2006-09-04 at 09:33 +1000, Paul Mackerras wrote:
> Alon Bar-Lev writes:
> 
> > Current implementation stores a static command-line
> > buffer allocated to COMMAND_LINE_SIZE size. Most
> > architectures stores two copies of this buffer, one
> > for future reference and one for parameter parsing.
> 
> Under what circumstances do we actually need a command line of more
> than 256 bytes?
> 
> It seems to me that if 256 bytes isn't enough, we should take a deep
> breath, step back, and think about whether there might be a better way
> to pass whatever information it is that's using up so much of the
> command line.

I agree. The current limit varies widely, most often being 256 or 512,
but sometimes also 896 (s390!) or 1024 (arm, arm26, parisc) or 4096
(uml). Would users and developers of those arches care to enlighten? Why
896?

Regards,

Nigel


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