Messages in this thread | | | Date | Wed, 1 Dec 2010 16:55:42 -0800 (PST) | From | David Rientjes <> | Subject | Re: [7/8, v6] NUMA Hotplug Emulator: extend memory probe interface to support NUMA |
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On Tue, 30 Nov 2010, shaohui.zheng@intel.com wrote:
> From: Shaohui Zheng <shaohui.zheng@intel.com> > > Extend memory probe interface to support an extra paramter nid, > the reserved memory can be added into this node if node exists. > > Add a memory section(128M) to node 3(boots with mem=1024m) > > echo 0x40000000,3 > memory/probe > > And more we make it friendly, it is possible to add memory to do > > echo 3g > memory/probe > echo 1024m,3 > memory/probe > > It maintains backwards compatibility. > > Another format suggested by Dave Hansen: > > echo physical_address=0x40000000 numa_node=3 > memory/probe > > it is more explicit to show meaning of the parameters. >
I don't like this interface, I think it would be much better to map the memory region to the desired node id prior to using probe as an extention to debugfs.
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