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SubjectRe: put page on transparent huge page leaks ?
On 2014-02-22 11:44, Jay Cornwall wrote:
> On 2014-02-21 20:31, Kirill A. Shutemov wrote:
>> On Fri, Feb 21, 2014 at 11:23:39AM -0600, Jay Cornwall wrote:
>>> I'm tracking a possible memory leak in iommu/amd. The driver uses
>>> this logic
>>> to fault a page in response to a PRI from a device:
>
> The head page appears to be leaking a reference. There is *no leak* if
> the driver faults the head page directly.

My apologies, this was fixed somewhere in the patch series: "mm: tail
page refcounting optimization for slab and hugetlbfs" (Jan 22nd).

Our merge was slightly older than I'd thought.


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