Re: [Lse-tech] /proc/discontig does not scale

[Kimio S. <k-s...@mv...>]

On Tue, 01 Oct 2002 09:25:15 -0700
"Martin J. Bligh" <mb...@ar...> wrote:

> >> Erich, does your NEC machine run OK with discontigmem support for
> >> ia64 with no patches on mainline or -mm? Or do you have a secret
> >> stash of patches somewhere that we could see to make your machine
> >> work?
> > 
> > Our machine rearranges the physical memory to present it more or less
> > linearly (and starting from 0) to the OS. Therefore we can boot with
> > 2.5 but don't have per-node zones yet. So we need something much simpler
> > than SGI. In 2.4.X we use only per node zonelists for the production
> > kernels, but for 2.5 we'd like to have discontigmem. Kimi is currently
> > looking into this, I'm tied up with other stuff the next few days :-/
> 
> OK, well please publish what you have ASAP, even if it's somewhat 
> half-baked at first ... would be nice to get the stuff apart from 
> discontig-inside-node merged at least - that's the hardest chunk 
> of it all, I suspect.

First, I'll just port the current discontig-core patch to 2.5.
And then I'll think about using config_nonlinear, I'm not sure
will it work on IA64 though.

> Is there still a huge external ia64 patch for 2.5 you need, or is that
> all merged now?

Not so huge. About 6k lines for 2.5.39.

Regards,
Kimi

-- 
Kimio Suganuma <k-s...@mv...>