Messages in this thread | | | Date | Fri, 10 Dec 2010 15:30:38 -0800 (PST) | From | David Rientjes <> | Subject | Re: [7/7,v8] NUMA Hotplug Emulator: Implement per-node add_memory debugfs interface |
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On Fri, 10 Dec 2010, Shaohui Zheng wrote:
> > That doesn't address the question. My question is whether or not adding > > memory to a memoryless node in this way transitions its state to > > N_HIGH_MEMORY in the VM? > I guess that you are talking about memory hotplug on x86_32, memory hotplug is > NOT supported well for x86_32, and the function add_memory does not consider > this situlation. > > For 64bit, N_HIGH_MEMORY == N_NORMAL_MEMORY, so we need not to do the transition. >
One more time :) Memoryless nodes do not have their bit set in N_HIGH_MEMORY. When memory is added to a memoryless node with this new interface, does the bit get set?
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