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

MOLNAR Ingo (mingo@chiara.csoma.elte.hu)
Tue, 20 Oct 1998 04:40:48 +0200 (CEST)


On Tue, 20 Oct 1998, Alan Cox wrote:

> > 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).
>
> Its not true. Sparcs have sparse memory , macs and amigas have memory spaces
> at times. The only real problem you may have is finding where to put the
> kernel image. Unless you want to write a linker in the boot strap

there a custom patch for x86 too, to exclude ranges of faulty memory.

-- mingo

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