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 312C61D514E; Mon, 16 Mar 2026 14:11:12 +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=1773670273; cv=none; b=kC4Y0aYZEB4TebWwqZd2OGmaY/ctkrSUnhRQeBx5oUBU6qccM/B3MqFveDD9fcExKUL2uKOZNIQMRihvJ/jG8Fm7G16+KV0eVf/vb1LRhbMihDhQCcXKEjmWmulbYsINdytvDXdTCfdrFFMDg9DoVuEUb+qwx+dyuvJTi64NHLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773670273; c=relaxed/simple; bh=mObWySh6ftg/C/Y5QydTHOsnluUnNsUQ7L5CnYVEA60=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DWjMUBXf+eJZ4hZ8h8pSk8j0H+v1xuHED2dcVVcP2Ml++WP9tVT+XCOHcNW4FHbmcIfZN+3otQYiNAMCMXzsPjso7BYUMGzNSSEGXGsdrwOdKhpGJCvK+kIDZrrOduJyE4E36Ps/R089V4H4gGh8rHxPCZw+vx+idD6VCrzdjjg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UW/pLckC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UW/pLckC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1999DC2BC87; Mon, 16 Mar 2026 14:11:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773670272; bh=mObWySh6ftg/C/Y5QydTHOsnluUnNsUQ7L5CnYVEA60=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UW/pLckCxaNKin2wiipk5x1+dQXwPfHhssQ3QmeQq4QXVJQ3y5OXuHSa1pZlhFR1M qEnCL5rs4a6xAWe+FdiyNnqHfAeN90322g4aAl4VOzQKIdM4VfbTDb3ZqQWxdaqg4A oJoExQipZkyEKvzOi6uoLmLS/3GoH0scWeQjvj4vt2SCicfw60c5iB+snAR5g5dqyL 15WD6qT/QL8wFr1KIz3SuFnvVuZETuxZlx+ZqwRifMnssSuMamHfBs0P+F8URMkht/ XsF+v5W82wbBbBI/mVpEtgxVlUUFiGYbUzmKLm1zVGEgaeWqcp7sfv4Jo2oEIaTRyz WM6aXYuiqBIXA== Message-ID: <5724ac10-70bc-4259-a69c-1c0efaf28d02@kernel.org> Date: Mon, 16 Mar 2026 15:11:06 +0100 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/5] selftests/mm: transhuge_stress: skip the test when thp not available To: Chunyu Hu , akpm@linux-foundation.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, Li Wang References: <20260316044335.1390608-1-chuhu@redhat.com> <20260316044335.1390608-6-chuhu@redhat.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/16/26 05:43, Chunyu Hu wrote: > The test requires thp, skip the test when thp is not available to avoid > false positive. > > Tested with thp disabled kernel. > Before the fix: > # -------------------------------- > # running ./transhuge-stress -d 20 > # -------------------------------- > # TAP version 13 > # 1..1 > # transhuge-stress: allocate 1453 transhuge pages, using 2907 MiB virtual memory and 11 MiB of ram > # Bail out! MADV_HUGEPAGE# Planned tests != run tests (1 != 0) > # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 > # [FAIL] > not ok 60 transhuge-stress -d 20 # exit=1 > > After the fix: > # -------------------------------- > # running ./transhuge-stress -d 20 > # -------------------------------- > # TAP version 13 > # 1..0 # SKIP Transparent Hugepages not available > # [SKIP] > ok 5 transhuge-stress -d 20 # SKIP > > Reviewed-by: Lorenzo Stoakes (Oracle) > Reviewed-by: Zi Yan > CC: Li Wang > Signed-off-by: Chunyu Hu > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David