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SubjectRe: [PATCH v2 2/2] sparc64: Fix pagetable freeing for hugepage regions
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From: Nitin Gupta <nitin.m.gupta@oracle.com>
Date: Thu, 23 Jun 2016 15:05:36 -0700

> 8M pages now allocate page tables till PMD level only.
> So, when freeing page table for 8M hugepage backed region,
> make sure we don't try to access non-existent PTE level.
>
> Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>

The manner in which you have submitted this change breaks
bisectability.

The "problem" you are fixing here is introduced by you in patch #1.

You need to combine these two changes together, otherwise there is
an intermediate state where the kernel is broken by your changes.

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