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 7BFC11531E8; Mon, 16 Mar 2026 14:10:57 +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=1773670257; cv=none; b=pb1ml8B9vMUMFgqvigO45iROr4lMWRKC1+W6RONnlfZ7Gb0M+4foapntwChDi7iR/Eym74qzHErPtJQTZIcnA5jtNs/9Dov3HQFzwW7WwiaK++RlzQCPAP1ni3mqTQZp1HFvUgBMtthzZ3/iqy8//DbYqV2362kD4CfZZ392rwA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773670257; c=relaxed/simple; bh=zt28grrniYz4OCeinQNJJYviLQgaKriHP3aR2K5oqi0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eOHR2JVSnmu5r80Jnidt7MLOkjJihLtWRUy1P4dntFZx32XxCLXQsiuFKsizTZaKjXJNqoKBAIYGMypI3krCcXivRGCW78+VdgzRzeK6K9fO3VPTyrFsd1b1eNSQqe5Ary+XpiQdpbjm1+h5MjSgUZaXcNdyTeiK3TeOKb2JeLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=petKGAic; 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="petKGAic" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DF20C19421; Mon, 16 Mar 2026 14:10:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773670257; bh=zt28grrniYz4OCeinQNJJYviLQgaKriHP3aR2K5oqi0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=petKGAic1bz1VLuLQdg4AMqzF7adDp8lthU9JFwPyO2/45RIVwMYkJldH1G1jVha3 Zg+75ciGcKHAVukEy2QTnmInanyaiKVOTmt1LWr0HN6m7ieOLfDH8MOC2KauN9TLfq 3TN8xw1j6WB9A9LHc3O5jOGhIdIQfIFUGWp4XDvnCilZ7cnvy20kq0LTdejt/7W39l LqCv8fyDHyoFcirBhGwFMGbz9P+eK+hFkB+0rrkf07IPXOUAmwmSqcvLSiAaLzGvPr vpEedcYHpDyJ4thXMWrQQkdnHT93v+vsr5smVaY29OrPKh9JTY2g+VolTVWcEKP+Gl SuiPNIcZgMSQw== Message-ID: <3696bd1a-5eb3-4bc1-b64b-3f955fe7ac57@kernel.org> Date: Mon, 16 Mar 2026 15:10:49 +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 4/5] selftests/mm: split_huge_page_test: skip the test when thp is 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> <20260316044335.1390608-5-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: > When thp is not enabled on some kernel config such as realtime kernel, the > test will report failure. Fix the false positive by skipping the test > directly when thp is not enabled. > > Tested with thp disabled kernel: > Before The fix: > # -------------------------------------------------- > # running ./split_huge_page_test /tmp/xfs_dir_Ywup9p > # -------------------------------------------------- > # TAP version 13 > # Bail out! Reading PMD pagesize failed > # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 > # [FAIL] > not ok 61 split_huge_page_test /tmp/xfs_dir_Ywup9p # exit=1 > > After the fix: > # -------------------------------------------------- > # running ./split_huge_page_test /tmp/xfs_dir_YHPUPl > # -------------------------------------------------- > # TAP version 13 > # 1..0 # SKIP Transparent Hugepages not available > # [SKIP] > ok 6 split_huge_page_test /tmp/xfs_dir_YHPUPl # 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