On Thu, Feb 25, 2010 at 12:30:26PM -0600, Christoph Lameter wrote: > On Thu, 25 Feb 2010, David Rientjes wrote: > > > I don't see how memory hotadd with a new node being onlined could have > > worked fine before since slab lacked any memory hotplug notifier until > > Andi just added it. > > AFAICR The cpu notifier took on that role in the past. The problem is that slab already allocates inside the notifier and then some state wasn't set up. > If what you say is true then memory hotplug has never worked before. > Kamesan? Memory hotplug with node add never quite worked on x86 before, for various reasons not related to slab. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>