Re: [PATCH] selftests/mm: skip khugepaged file tests if mkfs.xfs is unavailable

[Jaeyeon Lee]

On Sat, Sep 12, 2026 at 2:06 AM Zi Yan <ziy@xxxxxxxxxx> wrote:
> This might be more robust, since it can detect mkfs.xfs and mount failures.
>
>   if grep xfs /proc/filesystems &>/dev/null; then
>       XFS_IMG=$(mktemp /tmp/xfs_img_XXXXXX)
>       XFS_DIR=$(mktemp -d /tmp/xfs_dir_XXXXXX)
>       truncate -s 314572800 ${XFS_IMG}
>       if mkfs.xfs -q ${XFS_IMG} && mount -t xfs -o loop ${XFS_IMG} ${XFS_DIR}; then
>           SPLIT_HUGE_PAGE_TEST_XFS_PATH=${XFS_DIR}
>           MOUNTED_XFS=1
>       else
>           rmdir ${XFS_DIR}
>           rm -f ${XFS_IMG}
>       fi
>   fi

I'll send v2 with this, adding a Suggested-by: tag and fixing the
Assisted-by: tag format.

Thanks for the review.

Best regards,
Jaeyeon Lee