Re: How to add a new ram region ?

[Randy.Dunlap]

On Fri, 23 Sep 2005 09:49:43 +0200 Franck wrote:

> Hi,
> 
> I'm working on port of linux 2.6.13. The target is a custom board
> based on a MIPS cpu. There are several RAMs on this board whose
> address are not contiguous and don't start to 0 . I currently succeed
> to make linux detect one of these RAM (the biggest one) but I'd like
> to make linux able to use the others...I'd like to use the other in a
> particular way: I would like to be able to allocate memory only on a
> single RAM when needed in kernel space, and in userspace I would be
> able to export a RAM disk that uses memory on a single RAM.
> 
> Could someone tell me how to do that or give me some pointers  ?

You can try the "memmap=" kernel boot options, although I don't
know if or how well they apply to MIPS.  Some of them apparently
do apply, according to Documentation/kernel-parameters.txt .

---
~Randy
You can't do anything without having to do something else first.
-- Belefant's Law
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