linux-kernel - [PATCH v2 0/7] selftests/mm: Fix false positives and skip unsupported tests

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Message-ID: <20250703060656.54345-1-aboorvad@linux.ibm.com>
Date: Thu,  3 Jul 2025 11:36:49 +0530
From: Aboorva Devarajan <aboorvad@...ux.ibm.com>
To: akpm@...ux-foundation.org, Liam.Howlett@...cle.com,
        lorenzo.stoakes@...cle.com, shuah@...nel.org, pfalcato@...e.de,
        david@...hat.com, ziy@...dia.com, baolin.wang@...ux.alibaba.com,
        npache@...hat.com, ryan.roberts@....com, dev.jain@....com,
        baohua@...nel.org
Cc: linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, donettom@...ux.ibm.com,
        ritesh.list@...il.com, aboorvad@...ux.ibm.com
Subject: [PATCH v2 0/7] selftests/mm: Fix false positives and skip unsupported tests

Hi all,

This patch series addresses false positives in the generic mm selftests
and skips tests that cannot run correctly due to missing features or system
limitations.

---

v1: https://lore.kernel.org/all/20250616160632.35250-1-aboorvad@linux.ibm.com/

Changes in v2:

   - Rebased onto the mm-new branch, top commit of the base is 3b4a8ad89f7e ("mm: add zblock allocator").
   - Split some patches for clarity.
   - Updated virtual_address_range test to support testing 4PB VA on PPC64.
   - Added proper Fixes: tags.
   - Included a patch to skip a failing userfaultfd test when unsupported,
     instead of reporting a failure.

---

Please let us know if you have any further comments.

Thanks,
Aboorva

Aboorva Devarajan (3):
  selftests/mm: Fix child process exit codes in ksm_functional_tests
  selftests/mm: Skip thuge-gen if shmmax is too small or no 1G huge
    pages
  selftests/mm: Skip hugepage-mremap test if userfaultfd unavailable

Donet Tom (4):
  mm/selftests: Fix incorrect pointer being passed to mark_range()
  selftests/mm: Add support to test 4PB VA on PPC64
  selftest/mm: Fix ksm_funtional_test failures
  mm/selftests: Fix split_huge_page_test failure on systems with 64KB
    page size

 tools/testing/selftests/mm/hugepage-mremap.c  | 16 ++++++++++---
 .../selftests/mm/ksm_functional_tests.c       | 24 +++++++++++++------
 .../selftests/mm/split_huge_page_test.c       | 23 +++++++++++++-----
 tools/testing/selftests/mm/thuge-gen.c        | 11 +++++----
 .../selftests/mm/virtual_address_range.c      |  8 ++++++-
 5 files changed, 61 insertions(+), 21 deletions(-)

-- 
2.43.5