On Tuesday, October 18, 2016 11:43 PM Aneesh Kumar K.V wrote:
>
> We cannot use the pte value used in set_pte_at for pte_same comparison,
> because archs like ppc64, filter/add new pte flag in set_pte_at. Instead
> fetch the pte value inside hugetlb_cow. We are comparing pte value to
> make sure t
Andrew Morton writes:
> On Tue, 18 Oct 2016 21:12:45 +0530 "Aneesh Kumar K.V"
> wrote:
>
>> We cannot use the pte value used in set_pte_at for pte_same comparison,
>> because archs like ppc64, filter/add new pte flag in set_pte_at. Instead
>> fetch the pte value inside hugetlb_cow. We are compa
On Tue, 18 Oct 2016 21:12:45 +0530 "Aneesh Kumar K.V"
wrote:
> We cannot use the pte value used in set_pte_at for pte_same comparison,
> because archs like ppc64, filter/add new pte flag in set_pte_at. Instead
> fetch the pte value inside hugetlb_cow. We are comparing pte value to
> make sure th