Re: [PATCH] huegtlbfs: fix page leak during migration of file pages

[Mike Kravetz]

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