Re: [PATCH 1/4] create mm/Kconfig for arch-independent memory options

[Roman Zippel <zippel@linux-m68k.org>]

Hi,

On Wed, 6 Apr 2005, Dave Hansen wrote:

> On Wed, 2005-04-06 at 22:58 +0200, Roman Zippel wrote:
> > Dave Hansen wrote:
> > > --- memhotplug/mm/Kconfig~A6-mm-Kconfig	2005-04-04 09:04:48.000000000 -0700
> > > +++ memhotplug-dave/mm/Kconfig	2005-04-04 10:15:23.000000000 -0700
> > > @@ -0,0 +1,25 @@
> > > +choice
> > > +	prompt "Memory model"
> > > +	default FLATMEM
> > > +	default SPARSEMEM if ARCH_SPARSEMEM_DEFAULT
> > > +	default DISCONTIGMEM if ARCH_DISCONTIGMEM_DEFAULT
> > 
> > Does this really have to be a user visible option and can't it be
> > derived from other values? The help text entries are really no help at all.
> 
> I hope that this selection will replace the current DISCONTIGMEM prompts
> in the individual architectures.  That way, you won't get a net increase
> in the number of prompts.

Why is this choice needed at all? Why would one choose SPARSEMEM over 
DISCONTIGMEM? Help texts such as "If unsure, choose <something else>" make 
the complete config option pretty useless.

bye, Roman
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