From nobody Fri Apr 3 08:10:38 2026 Received: from mail-qv1-f47.google.com (mail-qv1-f47.google.com [209.85.219.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E7353446C3 for ; Wed, 18 Feb 2026 16:39:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771432788; cv=none; b=Ha8suexGnxWDyvvLpkCaL0OTcjVjNiYXZONEkv3HRRE5xLMlsLziO0235VlSnhPvxlwE+0l7/0l9vqRrHoCNpwFcdtJ66h+KMoKRkrkbQt/Pu/d/IhgyFf+XdMYtc75UyItoBPNcVgcyJerCokfYt6yp4nfQ9ewc3g7INuNkLE8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771432788; c=relaxed/simple; bh=G5ahE1YG8/6veiWOLrKMcA8+v9Y7YNyYq/qP7R6+8YQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=GsuO+JmeeO+ycemmN4QEORETGzDMpHeRF2zfgLcR8Q7tdJ5dc4hcdwrd0mmMr4JDMKN16unB0ymUNjJreH82zEM+2+k8C5rtRgaTe131E/0THjk6beMy/bGRo19vri2OpoFNh/XjcaX7rFTlloWDq/BitUxoeS5x+qVvDc4L5mw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fblwAMgR; arc=none smtp.client-ip=209.85.219.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fblwAMgR" Received: by mail-qv1-f47.google.com with SMTP id 6a1803df08f44-896ff127650so16209776d6.3 for ; Wed, 18 Feb 2026 08:39:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1771432785; x=1772037585; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=8IaEyL0dKDQs6FVsnUlq2M4sAODAnf58W8FA0XnDWIs=; b=fblwAMgRsOugRdK2X6b46pmEiFdc9lvN4OIHfxLTcEGdfeOR5FAsWecLrykaqEQcZi 07kneLKL1LxEaSlcyj+NJa9QKPoOiQXZkxvHPzPEQcGLTr9WUs5wE9XS6gMsrtrLCj/R CZ0dyjnDWwdQ0d9lR1Mo0VRWmXFyVxnhsTFpXGrM/8dA/ObxjM5o0eBZAkBh20DTHPMZ UIbI9Azqtr+FiAaNdXxrfiZswoL1YHQK8jlFKQ45YUkPReQKnwTHYlS5MoFnvgqdx8oq W1SpJ3X5ecoYrOlYYON1x44boJCeiQ86x7wMvUYNzHkaaGQ+3iMUmv+uOxZLyzcvmcUF zUog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771432785; x=1772037585; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=8IaEyL0dKDQs6FVsnUlq2M4sAODAnf58W8FA0XnDWIs=; b=vLzFTgH0WlWbHuvQ3lNV8Ta07WES625HkBdtmKER+GZmpIPVf4F0Pa5qJb3oc1Llmw 7efEWngwUESDRAqHw10y0J8qNFrAxEG7cGr6gSmVGXzMD6oS8iCvzr5u4X6h3UVGF6ry 65yogzZI5NLtdlminw92p3oUMT/6k+uspPSt0YKuK+ZoBCn2B9/SwUYTV+HGEFqUdrmX BZwGjUGwPMMYs0VPLfcuZIjyB4aKBLL4Cft1Ht1x+o87rkrMwp3ZsZlAqtNL24XIcN1g IniCsAHCy4/iFydj3GSoExSgA8sjW6uWtf9YZ/MYbuGcbZO14NhX2+kPkFwWMyiwaE0o eICw== X-Forwarded-Encrypted: i=1; AJvYcCXKGen3oLgjQwlCO67KzuucBGUPi/ZrKEzg7kGck79S0zxJJ0zsTRhT8kSVAfAQQwPBz57YFqEwWVbF+SQ=@vger.kernel.org X-Gm-Message-State: AOJu0YzsrC/GYpiSSh06vgYFVR08sohmbZ0jWKrxsQPkeiq0SVsjthS1 YfYT7dYySew72KdhHlx4ePEr66r6bT11SYtaTC2agBuP7wOWvgGDHEaS X-Gm-Gg: AZuq6aL3cWmg+Wnqcg1xApIZCy8uhkiMTWVVWFLEa5NNkkkCJtFe98AwdZs4y16Iq4M 6CCmzrxoldvTpj12QQcr+mG/UxWA7GrollnLhWnx7ia57P6Vg+zbBS35YwGM2lcuocv7k6/PWaM 0dEFVOU3u0RVab1QJAbwTlyfdzwiMLYAhkBXDWjRwVsw/W/CX8XAhKkg6NEBYykKK8PRj0OSivT xacgkdiIXUVexLAmDgBD5jwxMgvp9xAGQFRpRH1jWs8feoY3co+0wj3pXNdHTxYMeH2ap5YxRhB DNkrQyvecAQB9capsC9FAFlZNXdIOuONPBdVvFIe+9JPJmG96dJ9n68nkTW+lgs7M4as0wCwk4D eYlYOavK/qm3HDZ61VZ+RRqAuuE9A2Ww1nphx9Np+PaJsLfrdSHz3N2Bboy6GwfzFFAjEKzUEmy TE05+PEUN+VE8bEnv/in+fT5kh X-Received: by 2002:a05:6214:4109:b0:896:f50e:b6c4 with SMTP id 6a1803df08f44-897402e07d8mr217890716d6.19.1771432785370; Wed, 18 Feb 2026 08:39:45 -0800 (PST) Received: from ubuntu ([76.38.17.53]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cb39da3dc6sm1769869585a.51.2026.02.18.08.39.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Feb 2026 08:39:45 -0800 (PST) From: AnishMulay To: akpm@linux-foundation.org, david@kernel.org, shuah@kernel.org Cc: lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, AnishMulay Subject: [PATCH] selftests/mm: skip migration tests if NUMA is unavailable Date: Wed, 18 Feb 2026 11:39:41 -0500 Message-ID: <20260218163941.13499-1-anishm7030@gmail.com> X-Mailer: git-send-email 2.51.0 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 Content-Type: text/plain; charset="utf-8" Currently, the migration test asserts that numa_available() returns 0. On systems where NUMA is not available (returning -1), such as certain ARM64 configurations or single-node systems, this assertion fails and crashes the test. Update the test to check the return value of numa_available(). If it is less than 0, skip the test gracefully instead of failing. This aligns the behavior with other MM selftests (like rmap) that skip when NUMA support is missing. Signed-off-by: AnishMulay Acked-by: David Hildenbrand (Arm) Reviewed-by: Anshuman Khandual Reviewed-by: Dev Jain Reviewed-by: SeongJae Park Tested-by: Sayali Patil --- tools/testing/selftests/mm/migration.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/migration.c b/tools/testing/selftes= ts/mm/migration.c index ee24b88c2b248..60e78bbfc0e3e 100644 --- a/tools/testing/selftests/mm/migration.c +++ b/tools/testing/selftests/mm/migration.c @@ -36,7 +36,8 @@ FIXTURE_SETUP(migration) { int n; =20 - ASSERT_EQ(numa_available(), 0); + if (numa_available() < 0) + SKIP(return, "NUMA not available"); self->nthreads =3D numa_num_task_cpus() - 1; self->n1 =3D -1; self->n2 =3D -1; --=20 2.51.0