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SubjectRe: [patch] x86, numa: Fix CONFIG_DEBUG_PER_CPU_MAPS without NUMA emulation
On Thu, 30 Dec 2010, David Rientjes wrote:

> "x86, numa: Fake node-to-cpumask for NUMA emulation" broke the build when
> CONFIG_DEBUG_PER_CPU_MAPS is set and CONFIG_NUMA_EMU is not. This is
> because it is possible to map a cpu to multiple nodes when NUMA emulation
> is used; the patch required a physical node address table to find those
> nodes that was only available when CONFIG_NUMA_EMU was enabled.
> This extracts the common debug functionality to its own function for
> CONFIG_DEBUG_PER_CPU_MAPS and uses it regardless of whether
> CONFIG_NUMA_EMU is set or not.
> NUMA emulation will now iterate over the set of possible nodes for each
> cpu and call the new debug function whereas only the cpu's node will be
> used without NUMA emulation enabled.
> Reported-by: Ingo Molnar <>
> Signed-off-by: David Rientjes <>

Ingo, do you know what the status of this fix is? It's required for
x86/numa to build and I'd hate to see all of this fixes miss .38 because
of this failure.

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