From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-99.freemail.mail.aliyun.com (out30-99.freemail.mail.aliyun.com [115.124.30.99]) (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 579B23F6C27; Tue, 28 Jul 2026 08:13:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.99 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785226434; cv=none; b=hdIADIqfMpuQyi8oHqukW1cfnelIPUXu/5DSYa7lasw0REUcv5RQcUHtCPRkkRun7iSBJ5VZaCKiUOFOj7DvUcctbR0eftVi8MuJLzmu3wRKoimX8UQuX3efjyqvZnrIFe/OgXfqm4m6XzbQ31NGLnc1+rw+h43yM8EAldpkUlQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785226434; c=relaxed/simple; bh=dKe9pAgrCuNzm5beJ7a4szNUss/mD25+X8xw+HchL7k=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Vm1p10R3N4q5pykmJEbTRNHC7fS0W/vW5bTejFol69tTPNPIVi4YA/zQg5O8+1MRXp85hUF/+CY50YGoxLPu5umptOA3GVdsu5/da27n+e9E94McoTwwrGZxy3dasd15lRduefwsDRMiWfjNgkNXMH9yF5VX0buLCKGKwPf0L2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=s0lOTNPp; arc=none smtp.client-ip=115.124.30.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="s0lOTNPp" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1785226423; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=Nf3/RXzWWNLxCoGIWrbrb3KbqO5WYkBEOlmrkz1TaDk=; b=s0lOTNPpMHqGdmNzgcxb+o3YWwa1cNshfL8GKHtDNo3DBu4LVB/2HmxkDKxSEG+MBQDDphFIo4IaxPgimgyAtOoIT7o9koyTXzIQGXqSZRZmHUOcFTLAcDm0DCbiu1VxFHR0PS+ieKzzFIfua+Sluml0VbHjO9n/A/xrfRIE5pw= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037033178;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=15;SR=0;TI=SMTPD_---0X8-0EhG_1785226421; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0X8-0EhG_1785226421 cluster:ay36) by smtp.aliyun-inc.com; Tue, 28 Jul 2026 16:13:42 +0800 From: Baolin Wang To: akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org Cc: ziy@nvidia.com, liam@infradead.org, nico.pache@linux.dev, dev.jain@arm.com, ryan.roberts@arm.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, baolin.wang@linux.alibaba.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/4] add anon mTHP collapse test cases Date: Tue, 28 Jul 2026 16:13:32 +0800 Message-ID: X-Mailer: git-send-email 2.43.5 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patchset is split from the previous shmem mTHP collapse patchset[1], which only adds anon mTHP collapse selftests. All khugepaged test cases can pass. [1] https://lore.kernel.org/all/cover.1781083630.git.baolin.wang@linux.alibaba.com/ Baolin Wang (4): selftests: mm: extend the check_huge() to support mTHP check selftests: mm: move gather_after_split_folio_orders() into vm_util.c file selftests: mm: implement the mTHP-sized hugepage check helpers selftests: mm: add mTHP collapse test cases .../selftests/mm/folio_split_race_test.c | 2 +- tools/testing/selftests/mm/khugepaged.c | 190 +++++++++++++----- tools/testing/selftests/mm/pagemap_ioctl.c | 2 +- .../testing/selftests/mm/prctl_thp_disable.c | 2 +- tools/testing/selftests/mm/run_vmtests.sh | 2 + tools/testing/selftests/mm/soft-dirty.c | 2 +- .../selftests/mm/split_huge_page_test.c | 139 +------------ tools/testing/selftests/mm/uffd-common.c | 4 +- tools/testing/selftests/mm/vm_util.c | 180 ++++++++++++++++- tools/testing/selftests/mm/vm_util.h | 8 +- 10 files changed, 339 insertions(+), 192 deletions(-) -- 2.47.3