Re: [PATCH 03/13] selftests/mm: fix hugetlb pathname construction in hugetlb_reparenting_test.sh

[Zi Yan <ziy@nvidia.com>]

On 10 Mar 2026, at 5:49, Sayali Patil wrote:

> The hugetlb_reparenting_test.sh script constructs hugetlb cgroup
> memory interface file names based on the configured huge page size. The
> script formats the size only in MB units, which causes mismatches on
> systems using larger huge pages where the kernel exposes normalized
> units (e.g. "1GB" instead of "1024MB").
>
> As a result, the test fails to locate the corresponding cgroup files
> when 1GB huge pages are configured.
>
> Update the script to detect the huge page size and select the
> appropriate unit (MB or GB) so that the constructed paths match the
> kernel's hugetlb controller naming.
>
> Also print an explicit "Fail" message when a test failure occurs to
> improve result visibility.
>
> Fixes: e487a5d513cb ("selftest/mm: make hugetlb_reparenting_test tolerant to async reparenting")
> Signed-off-by: Sayali Patil <sayalip@linux.ibm.com>
> ---
>  .../selftests/mm/hugetlb_reparenting_test.sh       | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
>

Reviewed-by: Zi Yan <ziy@nvidia.com>

Best Regards,
Yan, Zi