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SubjectRe: [PATCH v4 3/6] mm/notifier: add migration invalidation type
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On 7/28/20 12:15 PM, Jason Gunthorpe wrote:
> On Thu, Jul 23, 2020 at 03:30:01PM -0700, Ralph Campbell wrote:
>> static inline int mm_has_notifiers(struct mm_struct *mm)
>> @@ -513,6 +519,7 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range,
>> range->start = start;
>> range->end = end;
>> range->flags = flags;
>> + range->migrate_pgmap_owner = NULL;
>> }
>
> Since this function is commonly called and nobody should read
> migrate_pgmap_owner unless MMU_NOTIFY_MIGRATE is set as the event,
> this assignment can be dropped.
>
> Jason

I agree.
Acked-by: Ralph Campbell <rcampbell@nvidia.com>

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