Re: [PATCH 1/4] x86_64: Switch to SPARSE_VIRTUAL

Christoph Lameter
2007-04-02T22:50:56Z

On Mon, 2 Apr 2007, Martin Bligh wrote:

> > For 64GB you'd need 256M which would be a quarter of low mem. Probably takes
> > up too much of low mem.
>
> Yup.

We could move whatever you currently use to handle that into i386 arch
code. Or are there other platforms that do similar tricks with highmem?

We already have special hooks for node lookups in sparsemem. Move all of
that off into some arch dir?