x86-64, NUMA: Don't assume phys node 0 is always online in numa_emulation()

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Undetermined entries in emu_nid_to_phys[] are filled with zero
assuming that physical node 0 is always online; however, this might
not be true depending on hardware configuration.  Find a physical node
which is actually online and use it instead.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1103020628210.31626@chino.kir.corp.google.com>

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Tejun Heo 2011-03-04 16:32:02 +01:00

parent c09cedf4f7

commit 078a198906

1 changed files with 15 additions and 1 deletions

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arch/x86/mm/numa_emulation.c

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