[PATCH] ehea: Fix memory hotplug support

[Jeff Garzik]

Hannes Hering wrote:
> This patch implements the memory notifier to update the busmap instantly
> instead of rebuilding the whole map. This is necessary because
> walk_memory_resource provides different information than required during memory
> hotplug.
> 
> Signed-off-by: Hannes Hering <hering2 at de.ibm.com>
> ---
> Jeff, as requested, this patch is now based on davem's net-2.6.git.

applied