Re: [PATCH 00/18] Make common x86 arch area for i386 and x86_64 - Take 2

Christoph Lameter
2007-03-16T20:56:16Z

On Fri, 16 Mar 2007, David Miller wrote:

> From: Christoph Lameter <clameter@sgi.com>
> Date: Fri, 16 Mar 2007 13:48:58 -0700 (PDT)
>
> > Please read my posts to linux-mm on that subject. We discussed it last
> > year in detail and the agreement was that the sparsemem crud needs to be
> > taken out. Kame-san posted patches to do that.
>
> Please don't do that, sparsemem works very well on sparc64 and I
> like the flexibility it gives me.

I am not sure what flexibility you are talking about? The modification are
to make sparsemem support virtual memmap as one option. See Kame-san's
posts. There is no regression here its just cutting out the overhead of
sparsmem from within.