Was this tested on arm64 please? I feel we should. What if, for example,
numa support is completely broken on arm64 and this is why it was
disabled? By landing this, we could be regressing arm64 support if we
don't test it.

Please test (or confirm tested) on arm64 and then mark v-d.

** Tags removed: verification-done
** Tags added: verification-needed

** Description changed:

  [Impact]
  The host capabilities for arm64 NUMA systems are incomplete - one effect of 
which is that nova is unable to make use of hugetlbfs for backing VMs with huge 
pages.
  
  [Test Case]
  Examine the output of 'virsh capabilities' on an arm64 NUMA system. The 
topology section for all but the first node are currently inaccurate and lacks 
page size entries. Sample output from a 2-node NUMA system is attached, both 
pre and post fix.
  
  [Regression Risk]
  Risk is minimized by the fact that this change is just enabling the same code 
for arm64 that is already enabled for the other NUMA-enabled Ubuntu 
architectures.
+ 
+ [racb] What if, for example, numa support is completely broken on arm64
+ and this is why it was disabled? By landing this, we could be regressing
+ arm64 support.

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https://bugs.launchpad.net/bugs/1627926

Title:
  Enable NUMA support in arm64 builds

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