On Wed, Mar 20, 2002 at 10:34:25PM +0100, Andrea Arcangeli wrote:
> > The problem is not the 4GB ZONE_NORMAL but the ~1GB KVA space.
>
> Then you misunderstood what's the zone-normal, the zone normal is 800M
> in size not 4GB.
No, it was braino when writing.
> The 1GB of KVA is what constraint the size of the zone
> normal to 800M. We're talking about the same thing, just looking at it
> from different point of views.
Okay agreed now after the 'reminder'.
> > UnixWare/OpenUnix had huge problems getting all kernel structs for managing
> > 16GB virtual into that - on the other hand their struct page is more
> > then twice as big as ours..
>
> We do pretty well with pte-highmem, there is some other bit that will be
> better to optimize, but nothing major.
One major area to optimize are the kernel stacks I think.
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This archive was generated by hypermail 2b29 : Sat Mar 23 2002 - 22:00:22 EST