Messages in this thread | | | Date | Sun, 21 Nov 2010 22:26:15 +0800 | From | Américo Wang <> | Subject | Re: [patch 1/2] x86: add numa=possible command line option |
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Hi, David
On Sat, Nov 20, 2010 at 06:28:31PM -0800, David Rientjes wrote: >Adds a numa=possible=<N> command line option to set an additional N nodes >as being possible for memory hotplug. This set of possible nodes >controls nr_node_ids and the sizes of several dynamically allocated node >arrays. > >This allows memory hotplug to create new nodes for newly added memory >rather than binding it to existing nodes. > >The first use-case for this will be node hotplug emulation which will use >these possible nodes to create new nodes to test the memory hotplug >callbacks and surrounding memory hotplug code. >
I am not sure how much value of making this dynamic, for CPU, we do this at compile time, i.e. NR_CPUS, so how about NR_NODES?
Also, numa=possible= is not as clear as numa=max=, for me at least.
Thanks.
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