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Mon, 16 Mar 2026 00:43:52 -0400 X-MC-Unique: 8F_wa5rhNq6fKYmb1esTYw-1 X-Mimecast-MFC-AGG-ID: 8F_wa5rhNq6fKYmb1esTYw_1773636230 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A43D9195608D; Mon, 16 Mar 2026 04:43:49 +0000 (UTC) Received: from dell-per7425-02.rhts.eng.pek2.redhat.com (dell-per7425-02.rhts.eng.pek2.redhat.com [10.73.116.18]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0F05019560B7; Mon, 16 Mar 2026 04:43:40 +0000 (UTC) From: Chunyu Hu To: akpm@linux-foundation.org, david@kernel.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, chuhu@redhat.com Subject: [PATCH v2 0/5] selftests/mm: skip several tests when thp is not available Date: Mon, 16 Mar 2026 12:43:30 +0800 Message-ID: <20260316044335.1390608-1-chuhu@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-MFC-PROC-ID: vO_Bktu2IjL_g7L_MOwiIZetv6-rT0SkJUROnuJJJRs_1773636230 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true X-Stat-Signature: yqf7nrkx7r3yeq6pnrnxpwsodc9ezucx X-Rspam-User: X-Rspamd-Queue-Id: 234F1C000A X-Rspamd-Server: rspam12 X-HE-Tag: 1773636235-496927 X-HE-Meta: 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 CUm0VP5t 4jl7rXsFgOS8BDUUx4ohaWgkKQCJGwLx3V8YEruSTaHtACiLZps9JYBeRGk2g351mha24yeEM/oSUcCCeyZ0i2IPf5FJgwR4VchjXGaxSWLI8qB4fYQBqi7ay8r6kKx/1Nkq35LBGsuAK9rHFY75zrfLnijFGIu601HYCYhilYU3Fk24RO/1dUWtv/8jX+2xIeZ5kJaTJfh7xSvuCfNlWkRlQN3HhpuboFyML4vEgt8gjTMa0nD/BOGJ4EK1R5H4S2OvL+6DI1S+3J3UHDRbk92D++a7zMGnbpSQmjRT9GDzinuVkMn7HIiE4WOKa6PwUWe5j Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: There are several tests requires transprarent hugepages, when run on thp disabled kernel such as realtime kernel, there will be false negative. Mark those tests as skip when thp is not available. Changes in v2: - replace 'false postive' with 'false negative' in cover letter - patch 1 and patch 2 add reviewed-by/acked-by - new patch 3 to add write_file() in vm_util as a common helper - patch 4 removed the {} in if block, removed the write_file helper rename chunk in v1. Add reviewed-by - patch 5 move the exit chunk to the front of ksft_print_headers() as suggested by David. Add review by. Chunyu Hu (5): selftests/mm/guard-regions: skip collapse test when thp not enabled selftests/mm: soft-dirty: skip two tests when thp is not available selftests/mm: move write_file helper to vm_util selftests/mm: split_huge_page_test: skip the test when thp is 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 +++- .../selftests/mm/split_huge_page_test.c | 19 ++++----------- tools/testing/selftests/mm/thp_settings.c | 24 +------------------ tools/testing/selftests/mm/thp_settings.h | 1 - tools/testing/selftests/mm/transhuge-stress.c | 4 ++++ tools/testing/selftests/mm/vm_util.c | 16 +++++++++++++ tools/testing/selftests/mm/vm_util.h | 2 ++ 8 files changed, 34 insertions(+), 40 deletions(-) base-commit: f338e77383789c0cae23ca3d48adcc5e9e137e3c -- 2.53.0