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SubjectRe: [PATCH] huegtlbfs: fix page leak during migration of file pages
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On 2/11/19 6:24 PM, Naoya Horiguchi wrote:
> On Mon, Feb 11, 2019 at 03:06:27PM -0800, Mike Kravetz wrote:
>> While looking at this, I think there is another issue. When a hugetlb
>> page is migrated, we do not migrate the 'page_huge_active' state of the
>> page. That should be moved as the page is migrated. Correct?
>
> Yes, and I think that putback_active_hugepage(new_hpage) at the last step
> of migration sequence handles the copying of 'page_huge_active' state.
>

Thanks! I missed the putback_active_hugepage that takes care of making
the target migration page active.

--
Mike Kravetz

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