Re: [PATCH v1 1/2] fs/proc/task_mmu: convert pagemap_hugetlb_range() to work on folios

From: Oscar Salvador
Date: Wed Apr 17 2024 - 06:23:58 EST


On Wed, Apr 17, 2024 at 11:23:12AM +0200, David Hildenbrand wrote:
> Let's get rid of another page_mapcount() check and simply use
> folio_likely_mapped_shared(), which is precise for hugetlb folios.
>
> While at it, also check for PMD table sharing, like we do in
> smaps_hugetlb_range().
>
> No functional change intended, except that we would now detect hugetlb
> folios shared via PMD table sharing correctly.
>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>



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Oscar Salvador
SUSE Labs