Re: [PATCH] SPARSEMEM + NUMA can't handle unaligned memory regions?

[mike kravetz]

On Tue, May 09, 2006 at 02:34:51PM +0100, Andy Whitcroft wrote:
> 3) record the nid -- when we record the memory present in the system we
> are passed the nid.
> 
> Somehow the last of these seems the most logical given we have the
> correct information at the time we record that we need to instantiate
> the section.  So I had a quick go at something which seems to have come
> out pretty clean.  Attached is a completly untested patch to show what I
> am proposing.

Looks sane to me.  I've always wanted to encode the nid in the section.
But, never had a compelling reason to do so.

With this code in place, we could optimize the pfn_to_nid() routines to
now obtain the nid from the section (rather than page struct).  However,
I'm not sure this is worth the effort.

-- 
Mike
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/