Help text for memory model config section?

[Joel Schopp]

> Doing a make oldconfig on 2.6.13-rc2:
> 
> Memory model
>   1. Flat Memory (FLATMEM_MANUAL) (NEW)
> 
>>2. Discontigious Memory (DISCONTIGMEM_MANUAL) (NEW)
> 
>   3. Sparse Memory (SPARSEMEM_MANUAL) (NEW)
> choice[1-3]: ?
> 
> Sorry, no help available for this option yet.

Sorry about the no help part.  We'll work on that.

>  I don't know
> whether I should pick 2 or 3 for my numa config.

Well, 3 is designed to replace 2 and should be superior in every regard. 
  2 is there because it is a proven quantity, and 3 isn't yet.

> 
> Also, the correct spelling is "discontiguous" :)
> 

We'll work on that too.