From nobody Tue Apr 7 18:01:02 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 094663C1976 for ; Thu, 12 Mar 2026 11:27:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773314825; cv=none; b=fDjNYQz8dT8K7jnV1nIAZvFLz2UwRyfRuSKV566P0QWVxCNA5MO3yvZUm1Zq3e1xyRWm9a/C7LLwgv5SA9JXhB79VwZx9zYKLGxUcjIN7EOHrZSc7so3inX3gfydwnHX6PDGxfibAoxHGtkHE9Ug0r6HH6zaELcjjteg1x28NeU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773314825; c=relaxed/simple; bh=31FRBUDKUjDJ/8R/XWEZf1wT650CVByWqNbvkX4SOts=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ln+dxlZIxBYLxmYRhqBpma4RfwkPcJV61s64IwHY6cPZi/ENUmyegGGZk6ansfv1WxOy8TCIYduHN2k32lmYKSr3flV8kJfeK2k0r3vl2zabQtb2qfUFM7mzsGKhldSylqCKLV8xtl6rppugJR7Umcan1L9H9db7/qUZo6thd6Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=c+YPxNvx; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="c+YPxNvx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1773314822; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qAzmMPLcljhdY36zlJQtF6Ye0/UcSvjVdBQd2alsCao=; b=c+YPxNvxhRwAy1oe08KIeEtJe2hICmzeFptt8o5iPxZAP6GkbveQFeHVUoaEVvfWwS+J/G xW2yXZXfRHARhoSCZIvv+NVIN0vhnvJemF2LLzOEBtc2WBGuHMm4EWTosnkMaVD1ogkqwU HaSb3x/E3mGhbsmksQwqXy1nv9VgBB8= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-612-HnkQYvrMNY-RfiqmKHksQA-1; Thu, 12 Mar 2026 07:26:58 -0400 X-MC-Unique: HnkQYvrMNY-RfiqmKHksQA-1 X-Mimecast-MFC-AGG-ID: HnkQYvrMNY-RfiqmKHksQA_1773314810 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 6FE3B18997C2; Thu, 12 Mar 2026 11:26:47 +0000 (UTC) Received: from dell-per7425-02.rhts.eng.pek2.redhat.com (dell-per7425-02.rhts.eng.pek2.redhat.com [10.73.116.18]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2987C18002A6; Thu, 12 Mar 2026 11:26:37 +0000 (UTC) From: Chunyu Hu To: akpm@linux-foundation.org, david@kernel.org, shuah@kernel.org, linux-mm@kvack.org, ljs@kernel.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, chuhu@redhat.com, Li Wang Subject: [PATCH 2/4] selftests/mm: soft-dirty: skip two tests when thp is not available Date: Thu, 12 Mar 2026 19:26:09 +0800 Message-ID: <20260312112612.633138-3-chuhu@redhat.com> In-Reply-To: <20260312112612.633138-1-chuhu@redhat.com> References: <20260312112612.633138-1-chuhu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Content-Type: text/plain; charset="utf-8" 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 !=3D run tests (19 !=3D 18) # # Totals: pass:17 fail:0 xfail:0 xpass:0 skip:1 error:0 # [FAIL] not ok 52 soft-dirty # exit=3D1 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=3D1 SKIP=3D0 FAIL=3D0 1..1 CC: Li Wang Signed-off-by: Chunyu Hu --- tools/testing/selftests/mm/soft-dirty.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selfte= sts/mm/soft-dirty.c index 59c0dbe99a9b..bcfcac99b436 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -82,7 +82,9 @@ static void test_hugepage(int pagemap_fd, int pagesize) int i, ret; =20 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; } =20 --=20 2.53.0