From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED0EE1067020 for ; Thu, 12 Mar 2026 14:04:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3F9DA6B008A; Thu, 12 Mar 2026 10:04:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3A4116B008C; Thu, 12 Mar 2026 10:04:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2D0D16B0092; Thu, 12 Mar 2026 10:04:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 1CCD06B008A for ; Thu, 12 Mar 2026 10:04:11 -0400 (EDT) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id C08FA139D61 for ; Thu, 12 Mar 2026 14:04:10 +0000 (UTC) X-FDA: 84537580260.03.7BA5ED0 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf28.hostedemail.com (Postfix) with ESMTP id 0929CC0010 for ; Thu, 12 Mar 2026 14:04:08 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CgeEeEyB; spf=pass (imf28.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1773324249; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=g4EUffu9WlExPOUsrRnK04LvkwrPij9P76rk4wv1Z9o=; b=z5GGh6eu0LwW/mz605qEs2IonTImTAb2F7MhSsfMnR6mXis024e7n75qoSxfdNXjPlSyN6 Rs/F7VoTcTzjQfILxkRfX8Ro49mVpT3Uz+Rx248nT70vQ9011d41w8n3dYu7QTV9ndyJoW y+unihklUQqkwirvzh4xsCpkVqKoaDE= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CgeEeEyB; spf=pass (imf28.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1773324249; a=rsa-sha256; cv=none; b=nDtPkfj8IKEyvSXjQ2956/+wEdEgdBgqM7T13Xa4CtJyWYCN+EM98Z/Jj++4CLpQ5+fC+7 QJV0cjvx5sNemsl5WNAaGzV30PiHFVMGBgE7Y7ItOOu9F+OAtXTSGuv0Cv+iE8gDDFUlJ+ 2V4A4GU9JCCHjimLr8fFW1zhbyW4UVs= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 7651160131; Thu, 12 Mar 2026 14:04:08 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260312114027.634559-1-chuhu@redhat.com> X-Rspamd-Queue-Id: 0929CC0010 X-Rspamd-Server: rspam07 X-Stat-Signature: jajsmcz3dzayu6cfoynbqnqcch67wdhd X-Rspam-User: X-HE-Tag: 1773324248-465011 X-HE-Meta: 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 wjJeV+ik F3Pfp1DxtNewPmO4nAM568SM4q2U2t7qjOgRCsDOdnfcb53+CZ4XF8fa7fmHPNIlpsvuqGk4Fwdhhb9xGzhlv9mMIIWntpTvEokhs9my/T2/hx8xI1qQDZqFpnt1Xtl1qDM5TFoRIBJmgddKgDyrzLbmVWEgIwEP5yU966UwLB+HjF8zK7oQR1cCEckE4WCAbZ7b4HKljqadk297lwh71W/ZqEfNgq7gk7nuI0yeKeD1xDNubECvzRDQUgLSc+Ys+EVQI Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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.