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 5C53133F5B0; Thu, 12 Mar 2026 14:04:08 +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=1773324248; cv=none; b=FhDvzCrz+h76pMCSzuq0b/Y4QH1l9zu4lxsLOnWwPmOaTjsQCSajZu3bwiIrL/UCH3N04UxaSWS0AGWTVsFcxFiFNos8HW/kxSeivyFtyJ5bSN62rgCy8h/kytiKnci0ZXIZBLVbNbnXXa2Looctfw2HzsPfHwasCOhAkQCI+3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773324248; c=relaxed/simple; bh=o9SPjIiwj2xZfrmCdt39M4hAYfV6fTu/SjM80H4vpEM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cejduXh4SiRSfW2tvB6y1Z525qH63KuPD3C1+PnmRkK5Zlzw669mqOzBRo7jMsMIWhA0fcnftR8dSVnxUFyFhTcRFVMHTCLdep5zqsEgqBuZRC4bxWa6TBWTWiJi5yZCF5Yxmfw7wCjj8YwEqeRIAoc6Vc1AFEtVqW+9arpEdHU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CgeEeEyB; 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="CgeEeEyB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66D7CC19424; Thu, 12 Mar 2026 14:04:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773324248; bh=o9SPjIiwj2xZfrmCdt39M4hAYfV6fTu/SjM80H4vpEM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CgeEeEyB5syn1bLnxgeTI7hIxBuMYwh9MjY5vu3G4U6QcmBDns4tFLoVbLX/Zs772 7RcxEqJK7Kp6KahBsHUHbyS07BPGmeRtl7imAjGE56nKCWmxhiD+ah+peDNSWkq3Iw hHvsj0tHh3jKKkw3yiQIVvy1wVg40m/37Ab9gpy92kI9c5GwkHTPNzjgLCEBFD7exJ DnZnERitXZZGLd7fsx68j4NrOTwzvdGotpQzHobjLHsHQBW3W0yb+7oPe5eKcE/Bsl DR4bUpf6YdUkDPFwJHk+JdmNHrkVbBzkqcrAcZcz3oFSNVEQapIyjswKLmUeCZDF+5 Ik/YqPO3mvrlA== Date: Thu, 12 Mar 2026 16:03:59 +0200 From: Mike Rapoport To: Chunyu Hu Cc: akpm@linux-foundation.org, david@kernel.org, shuah@kernel.org, linux-mm@kvack.org, ljs@kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, 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 Subject: Re: [PATCH 0/4] selftests/mm: skip several tests when thp is not available Message-ID: References: <20260312114027.634559-1-chuhu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260312114027.634559-1-chuhu@redhat.com> On Thu, Mar 12, 2026 at 07:40:23PM +0800, Chunyu Hu wrote: > There are several tests requires transprarent hugepages, when run on thp > disabled kernel such as realtime kernel, there will be false positve. I presume that when THP tests run on kernels with THP disabled they fail and it would be a false negative rather than false positive. > Mark those tests as skip when thp is not available. > > Chunye Hu (4): > selftests/mm/guard-regions: skip collapse test when thp not enabled > selftests/mm: soft-dirty: skip two tests when thp not available > selftests/mm: split_huge_page_test: skip the test when thp not > available > selftests/mm: transhuge_stress: skip the test when thp not available > > tools/testing/selftests/mm/guard-regions.c | 4 ++++ > tools/testing/selftests/mm/soft-dirty.c | 4 +++- > tools/testing/selftests/mm/split_huge_page_test.c | 9 +++++++-- > tools/testing/selftests/mm/transhuge-stress.c | 4 ++++ > 4 files changed, 18 insertions(+), 3 deletions(-) > > > base-commit: 80234b5ab240f52fa45d201e899e207b9265ef91 > -- > 2.53.0 > -- Sincerely yours, Mike.