Re: DISCONTIGMEM suuport on 32 bits MIPS

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2005/9/30, Ralf Baechle <ralf@xxxxxxxxxxxxxx>:
> On Mon, Sep 26, 2005 at 02:46:02PM +0200, Franck wrote:
>
> > > IP27 currently the only system that absolutely needs discontiguous
> > > memory in order to work at all.  A few other systems could make use of
> > > discontiguous memory to reduce the waste of memory - the family of
> > > Broadcom SB1 based systems comes to mind.
> >
> > Isn't discontiguous memory common for embedded system as well ? I
> > thought so...Anyways can we make discontiguous memory thing move into
> > generic MIPS code so every future needs for that will profit ? I
> > looked at other arch, and they seem to implement it that way (in
> > arch/xxx/mm/discontig.c).
>
> Yes, that would be a good thing.  There are several platforms that could
> make good use of discontiguous memory support such as Broadcom's Sibyte
> SoCs with their insanely large hole in the memory map but also others.
>

Ok I'll try to do that soon (maybe in 1 or 2 weeks). I looked at the
ARM's code and I should be able to do the same on MIPS. Should I keep
IP27 data structure and code although ARM's ones seem to be easier to
understand ?

Thanks
--
               Franck


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