Re: Linux and sparse memory (was Re: Breaking the 64MB barrier)

Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
Tue, 20 Oct 1998 01:02:13 +0200 (CEST)


On Mon, 19 Oct 1998, J.D. Bakker wrote:
> At 8:13 AM +0200 19-10-1998, david parsons wrote:
> > A brute-force memory scan might be useful, but it could get unhappily
> > bitten by memory holes, and until Linux supports sparse memory, it's
> > somewhat pointless to look above a memory hole.
>
> Is it true that the kernel has problems on machines/architectures where
> main memory isn't contiguous ? That would be quite a downer for my plans to
> build a Linux-running StrongARM board, as the DRAM banks on a SA-1100 have
> pretty large holes in between (in physical address space).

Linux/m68k has supported memory with holes since many many years.

Greetings,

Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven@cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium

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