Re: [RFC 0/8] Reduce MAX_NR_ZONES and remove useless zones.

From: Arjan van de Ven
Date: Tue Jul 04 2006 - 12:22:30 EST


On Tue, 2006-07-04 at 09:16 -0700, Christoph Lameter wrote:
> On Tue, 4 Jul 2006, Andi Kleen wrote:
>
> > The 900MB refered to the boundary between NORMAL and HIGHMEM on i386.
>
> Yikes. So any system with 1MB

1G, but yes.

> will need to have highmem? I guess the 2G/2G
> config option changes that?

but that breaks userspace ABI and things that really want a lot of
memory ;)

Thankfully x86-64 is there, and just about all systems sold today do 64
bit..

(and highmem is not that bad.. you make it sound as if it's a dirty
word. It's not pretty but it's not THAT evil either)


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