Re: [PATCH v7 3/3] kselftest: mm: remove check_huge_shmem()

[Baolin Wang]

On 9/21/26 6:40 PM, Yeoreum Yun wrote:
> check_huge_shmem() was required to distinguish shmem huge pages because
> /proc/self/smaps reports them using a dedicated “ShmemPmdMapped” entry,
> as opposed to “FilePmdMapped” for file-backed huge pages.
>
> Now that /proc/self/smaps is no longer used to detect huge pages and
> /proc/kpageflags is used instead, it is sufficient to distinguish
> between file-backed and anonymous pages since the ShmemPmdMapped is also
> kind of file-backed.
>
> Therefore, remove check_huge_shmem() and use check_huge_file() instead
> and cleanup khugepaged's check_huge operation in mem_ops.
>
> Suggested-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
> Signed-off-by: Yeoreum Yun <yeoreum.yun@xxxxxxx>
> ---

LGTM.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>