From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACDF22356C6 for ; Thu, 19 Mar 2026 20:56:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773953817; cv=none; b=BzQ5dmvO+5ek3BPtmKR39y5wA6eyjOQW+I9jbEz3yT8YFydfw9L/NJLpjt51pRK8svgEcCBL4plhnwFhJRuxsOUjI3mzBxTUWJRg3pNMsWbdfpjqNooqpJOr4nVPfOaN+2x8rTvoPbVo6LH+z3ms1oJ3M/s0B/GQ2d/YtDdTEr0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773953817; c=relaxed/simple; bh=8X0iUYqNWDkt6iOCw5Gu9coaO7vwvvHmYmuLvN76A/4=; h=Date:To:From:Subject:Message-Id; b=edgtbcASN4olCaGWlH2tT8kjh0te/1FLsS3ly3wSxST9qqAMUhb913io7AORDfKPZzbX76Cqwl+Ec4iwtgllxMBXKNJ28mNzOjtX4AK4/nsum66KAti5wVWO/bxf2beEvAKBdN6Dn5805nU246XF/HZJQCMgBF87oTae84O1FqI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=lC/8sEri; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="lC/8sEri" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3BE80C2BCAF; Thu, 19 Mar 2026 20:56:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1773953817; bh=8X0iUYqNWDkt6iOCw5Gu9coaO7vwvvHmYmuLvN76A/4=; h=Date:To:From:Subject:From; b=lC/8sEriPj/NzdXJjW0wzDcPqBTxdKvYY7wPyyFge3KrKDtw65vbUZnxWttNDKheX ur3458CI2GIfjiEYMXc5/6Y+0a3lLHlU2ED/XTajz/HOKNBCn8EBT5qlrZE+5Aj49d 3JUCRSNJBGj8wQRjwOlMiLLCcGEWuOCYBFoeGLkc= Date: Thu, 19 Mar 2026 13:56:56 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,vbabka@suse.cz,surenb@google.com,shuah@kernel.org,ryan.roberts@arm.com,rppt@kernel.org,npache@redhat.com,mhocko@suse.com,ljs@kernel.org,liwang@redhat.com,liam.howlett@oracle.com,lance.yang@linux.dev,dev.jain@arm.com,david@kernel.org,baolin.wang@linux.alibaba.com,baohua@kernel.org,chuhu@redhat.com,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-mm-soft-dirty-skip-two-tests-when-thp-is-not-available.patch added to mm-new branch Message-Id: <20260319205657.3BE80C2BCAF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: selftests/mm: soft-dirty: skip two tests when thp is not available has been added to the -mm mm-new branch. Its filename is selftests-mm-soft-dirty-skip-two-tests-when-thp-is-not-available.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-soft-dirty-skip-two-tests-when-thp-is-not-available.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Chunyu Hu Subject: selftests/mm: soft-dirty: skip two tests when thp is not available Date: Fri, 20 Mar 2026 00:06:53 +0800 The test_hugepage test contain two sub tests. If just reporting one skip when thp not available, there will be error in the log because the test count don't match the test plan. Change to skip two tests by running the ksft_test_result_skip twice in this case. Without the fix (run test on thp disabled kernel): ./run_vmtests.sh -t soft_dirty # -------------------- # running ./soft-dirty # -------------------- # TAP version 13 # 1..19 # ok 1 Test test_simple # ok 2 Test test_vma_reuse dirty bit of allocated page # ok 3 Test test_vma_reuse dirty bit of reused address page # ok 4 # SKIP Transparent Hugepages not available # ok 5 Test test_mprotect-anon dirty bit of new written page # ok 6 Test test_mprotect-anon soft-dirty clear after clear_refs # ok 7 Test test_mprotect-anon soft-dirty clear after marking RO # ok 8 Test test_mprotect-anon soft-dirty clear after marking RW # ok 9 Test test_mprotect-anon soft-dirty after rewritten # ok 10 Test test_mprotect-file dirty bit of new written page # ok 11 Test test_mprotect-file soft-dirty clear after clear_refs # ok 12 Test test_mprotect-file soft-dirty clear after marking RO # ok 13 Test test_mprotect-file soft-dirty clear after marking RW # ok 14 Test test_mprotect-file soft-dirty after rewritten # ok 15 Test test_merge-anon soft-dirty after remap merge 1st pg # ok 16 Test test_merge-anon soft-dirty after remap merge 2nd pg # ok 17 Test test_merge-anon soft-dirty after mprotect merge 1st pg # ok 18 Test test_merge-anon soft-dirty after mprotect merge 2nd pg # # 1 skipped test(s) detected. Consider enabling relevant config options to improve coverage. # # Planned tests != run tests (19 != 18) # # Totals: pass:17 fail:0 xfail:0 xpass:0 skip:1 error:0 # [FAIL] not ok 52 soft-dirty # exit=1 With the fix (run test on thp disabled kernel): ./run_vmtests.sh -t soft_dirty # -------------------- # running ./soft-dirty # TAP version 13 # -------------------- # running ./soft-dirty # -------------------- # TAP version 13 # 1..19 # ok 1 Test test_simple # ok 2 Test test_vma_reuse dirty bit of allocated page # ok 3 Test test_vma_reuse dirty bit of reused address page # # Transparent Hugepages not available # ok 4 # SKIP Test test_hugepage huge page allocation # ok 5 # SKIP Test test_hugepage huge page dirty bit # ok 6 Test test_mprotect-anon dirty bit of new written page # ok 7 Test test_mprotect-anon soft-dirty clear after clear_refs # ok 8 Test test_mprotect-anon soft-dirty clear after marking RO # ok 9 Test test_mprotect-anon soft-dirty clear after marking RW # ok 10 Test test_mprotect-anon soft-dirty after rewritten # ok 11 Test test_mprotect-file dirty bit of new written page # ok 12 Test test_mprotect-file soft-dirty clear after clear_refs # ok 13 Test test_mprotect-file soft-dirty clear after marking RO # ok 14 Test test_mprotect-file soft-dirty clear after marking RW # ok 15 Test test_mprotect-file soft-dirty after rewritten # ok 16 Test test_merge-anon soft-dirty after remap merge 1st pg # ok 17 Test test_merge-anon soft-dirty after remap merge 2nd pg # ok 18 Test test_merge-anon soft-dirty after mprotect merge 1st pg # ok 19 Test test_merge-anon soft-dirty after mprotect merge 2nd pg # # 2 skipped test(s) detected. Consider enabling relevant config options to improve coverage. # # Totals: pass:17 fail:0 xfail:0 xpass:0 skip:2 error:0 # [PASS] ok 1 soft-dirty hwpoison_inject # SUMMARY: PASS=1 SKIP=0 FAIL=0 1..1 Link: https://lkml.kernel.org/r/20260319160656.1480279-3-chuhu@redhat.com Signed-off-by: Chunyu Hu Reviewed-by: Mike Rapoport (Microsoft) Reviewed-by: Lorenzo Stoakes (Oracle) Acked-by: David Hildenbrand (Arm) Reviewed-by: Zi Yan Cc: Li Wang Cc: Baolin Wang Cc: Barry Song Cc: Dev Jain Cc: Lance Yang Cc: Liam Howlett Cc: Michal Hocko Cc: Nico Pache Cc: Ryan Roberts Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/soft-dirty.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/tools/testing/selftests/mm/soft-dirty.c~selftests-mm-soft-dirty-skip-two-tests-when-thp-is-not-available +++ a/tools/testing/selftests/mm/soft-dirty.c @@ -82,7 +82,9 @@ static void test_hugepage(int pagemap_fd int i, ret; if (!thp_is_enabled()) { - ksft_test_result_skip("Transparent Hugepages not available\n"); + ksft_print_msg("Transparent Hugepages not available\n"); + ksft_test_result_skip("Test %s huge page allocation\n", __func__); + ksft_test_result_skip("Test %s huge page dirty bit\n", __func__); return; } _ Patches currently in -mm which might be from chuhu@redhat.com are selftests-mm-guard-regions-skip-collapse-test-when-thp-not-enabled.patch selftests-mm-soft-dirty-skip-two-tests-when-thp-is-not-available.patch selftests-mm-move-write_file-helper-to-vm_util.patch selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch selftests-mm-transhuge_stress-skip-the-test-when-thp-not-available.patch