Alex Kellett wrote:
>
> On Tue, 15 Feb 2000, Kevin P. Lawton wrote:
>
> > Alex Kellett wrote:
> > > BTW, the vm's only currently seem to work with memory sizes of 4mb + 8mb
> > > (iirc), is this the expected?
> >
> > Yeah, 4meg quantities fit nicely into the paging scheme. The middle
> > 10bits (page table bits) of an address span 4 megs. I couldn't see
> > any reason not to make life easy.
>
> The real problem was that it doesn't like anything > 8mb, for exaple:
> ...
> Allocating 24MB of physical memory in VM
> ioctl
> : Invalid argument
> Any possible reason?
Yeah, currently FMW_MAX_PHY_MEGS is set to 8 in kernel/include/freemware.h.
Best to leave it at that for now.
-Kevin
