Re: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?]

From: Martin J. Bligh (Martin.Bligh@us.ibm.com)
Date: Thu May 02 2002 - 17:23:39 EST


> I *think* the ranges were typically aligned to 4 GB, although with 8 GB
> in a single node, I don't remember what the mapping layout looked like.
>
> Which made everything but node 0 into HIGHMEM.
>
> With the "flat" addressing mode that Martin has been using (the
> dummied down for NT version) everything is squished together. That
> makes it a bit harder to do node local data structures, although he
> may have enough data from the MPS table to split memory appropriately.

I have enough data, I know which phys mem ranges are in each node,
but I still need to change the virtual <-> physical mapping in order to
spread ZONE_NORMAL around. Pat has already spread the high memory
around into specific pg_data_t's per node.

M.

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