------- Comment From aneesh.ku...@in.ibm.com 2017-10-26 23:16 EDT-------
Hi,

There are other dependent patches needed. The full series that we need
to support 16G on powernv include:

commit 4ae279c2c96ab38a78b954d218790a8f6db714e5
Author: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Date:   Fri Jul 28 10:31:27 2017 +0530

powerpc/mm/hugetlb: Allow runtime allocation of 16G.
commit 79cc38ded1e1ac86e69c90f604efadd50b0b3762
Author: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Date:   Fri Jul 28 10:31:26 2017 +0530

powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel 
command line
commit e24a1307ba1f99fc62a0bd61d5e87fcfb6d5503d
Author: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Date:   Fri Jul 28 10:31:25 2017 +0530

mm/hugetlb: Allow arch to override and call the weak function
ommit 40692eb5eea209c2dd55857f44b4e1d7206e91d6
Author: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Date:   Thu Jul 6 15:39:20 2017 -0700

powerpc/mm/hugetlb: add support for 1G huge pages
commit e1073d1e7920946ac4776a619cc40668b9e1401b
Author: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Date:   Thu Jul 6 15:39:17 2017 -0700

mm/hugetlb: clean up ARCH_HAS_GIGANTIC_PAGE

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https://bugs.launchpad.net/bugs/1706247

Title:
  It should not be possible to turn on 16g huge pages on Ubuntu 16.04.2
  PowerNV

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