Messages in this thread | | | Date | Wed, 15 Nov 2006 14:46:02 -0800 | From | Martin Bligh <> | Subject | Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory |
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Christoph Lameter wrote: > On Wed, 15 Nov 2006, Martin Bligh wrote: > >> A node is an arbitrary container object containing one or more of: >> >> CPUs >> Memory >> IO bus >> >> It does not have to contain memory. > > I have never seen a node on Linux without memory. I have seen nodes > without processors and without I/O but not without memory.This seems to be > something new?
A node was always defined that way. Search back a few years in the lkml archives. We may be finding bugs in the implementation, but the definition has not changed.
Supposing we hot-unplugged all the memory in a node? Or seems to have happened in this instance is boot with mem=, cutting out memory on that node.
M.
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