From: Tejun Heo <tj@kernel.org>
Date: Thu, 4 Aug 2011 11:52:18 +0200

On Tue, Jul 26, 2011 at 05:35:27PM +0200, Tejun Heo wrote:

quoted

sparc doesn't access early_node_map[] directly and enabling
HAVE_MEMBLOCK_NODE_MAP is trivial - replacing add_active_range() calls
with memblock_set_node() and selecting HAVE_MEMBLOCK_NODE_MAP is
enough.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org

David just confirmed this worked fine on sparc and was okay with this
going through tip.

Yep:

Acked-by: David S. Miller <davem@davemloft.net>