On Tue, 3 Sep 2002, Benjamin Herrenschmidt wrote:
> >I think you'll find yourself with no virtual address space left to
> >do vmalloc / fixmap / kmap type stuff. Or at least you would on i386,
> >I presume it's the same for ppc. Sounds like you may have left
> >yourself enough space for fixmap & kmap, but any calls to vmalloc
> >will probably fail ?
>
> Yes, same problem on PPC, you'll run out of virtual space quite
> quickly for vmalloc and ioremap. Stuff a video board with lots
> of VRAM or any PCI card exposing large MMIO regions into your
> machines and it will probably not even boot.
>
> Ben.
>
Ben,
But doesn't using Matt's suggestion and moving both MAX_LOW_MEM and
changing KERNELBASE take care of this? It's an embedded board with no
video, but it does have one PCI Mezzanine Card (PMC) on it.
Thanks.
-- Craig. +------------------------------------------------------+ http://www.wombat.ca/rpmon.html RP Music Monitor http://www.washington.edu/pine/ Pine @ the U of Wash. +-------------=*sent via Pine4.44*=--------------------+- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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