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 257C2F99C7C for ; Sat, 18 Apr 2026 10:59:27 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8CE416B027A; Sat, 18 Apr 2026 06:59:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8A55D6B027C; Sat, 18 Apr 2026 06:59:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7BBCA6B027D; Sat, 18 Apr 2026 06:59:26 -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 692A56B027A for ; Sat, 18 Apr 2026 06:59:26 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 3467E13B0A6 for ; Sat, 18 Apr 2026 10:59:26 +0000 (UTC) X-FDA: 84671380332.09.981B44B Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf05.hostedemail.com (Postfix) with ESMTP id 9A25E100009 for ; Sat, 18 Apr 2026 10:59:24 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="pavFNxq/"; spf=pass (imf05.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=1776509964; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=xZoDhbWNEouwgaGlkfkUpjJoSc42y7xWd91vFax7+2Q=; b=JODUqhyauWCboHbCbMw+wew6Y5RF/9Ie9Xr1ggq9OhZPxyazWVtiWUs47GNznQCuzp26rM FL0rnYadjL7Ek6z47ytJOw7aAKMzcyZKFyPcBZKPJi3WyxnDx5RSv8kE+yOoPCW72zpSaz EetIg/RMmPcievPwd6O5yB49mDBldEE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776509964; a=rsa-sha256; cv=none; b=Xr0V1rftWaJ0Xiof2Mw5MkmLRIVWynnNxrw9ETzdMcMPUEGQVE5FGaHQxMwKLh2ZF6Trpa mNXwc4oehfOj/z0avJ2vlCwuBFgSf8uOdtVUle3I7VU3xuO5yCn6EM9GCN4AoQqZPnYhZX XOLFG0YWst+Jk/tWw8Pnqm1au4wWMJY= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="pavFNxq/"; spf=pass (imf05.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 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2387E60138; Sat, 18 Apr 2026 10:59:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 328BCC2BCB3; Sat, 18 Apr 2026 10:59:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509963; bh=ib9LXsJztlT6AS3f5wMdXHDwOYMXkAdeN957x1qT4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pavFNxq/2IwGOfwlXixJLLH3uA6ytRbiy37uSfffBDhjDHasiINfzv5MpmEfSxnap 9+3as8gDKrxlI5DWlTwJmR8gK1ZhWi4Tugz6mvyCUYyKCkqnSV9cLUOjgEp/RNu1r3 nrtXGxtarPpSJSQDss7K08tB1BSSc5vCSSasegK3ygq+8hxAWcqWJ3n7OgqriXxb15 niVWY/utkt8tvgIxBTAPKXH7zFSTPFxM3TTZaNk9WJ2Z6LyetPDAyghkTsP3j4kgWb JCumNx+lX3p4Ne2CT4oLhWfVZd8CDZpeM5fxg36Nr1EUIyx7CnRnwhovOruJLZE+yJ YgqksBz/TYhog== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 35/53] selftests/mm: hugetlb_fault_after_madv: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:20 +0300 Message-ID: <20260418105539.1261536-36-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260418105539.1261536-1-rppt@kernel.org> References: <20260418105539.1261536-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: reeweb7ymshsj4i3mqx9uw4ffpr58ko6 X-Rspam-User: X-Rspamd-Queue-Id: 9A25E100009 X-Rspamd-Server: rspam05 X-HE-Tag: 1776509964-518949 X-HE-Meta: U2FsdGVkX19RAB3ZdmbWmSpMJA8CUzR8yQYG1TwJ4duOtJ9ldXBWZLovYx66w0zmNlpSvbsU13WHJQz7xqcwEQ6szVhMsLfu0AKI/hrvucIKx6yeg6QCjQXgFqp0wwx4qltSC1qDOrz51A2kzoG8kstS4T0DWvcd0kbfKITjsylzoePcjQ9lPwOxxtZjI5UCVhxZTo3zgP1k8+d8Sa/k+99WCv3QBR1A4JJTkKH6v0vPsjujSYhU3daNYLnuRDEWvSjVtRcwe5YeiluYOVUSuJshItSusVJjuX8mEKIA00w9S2SqsRxkkOM28OGUVxo3mP/YaKwswv/Pxz8TtKvbeVkLjcawhPL3AhdUUtSq1v+8fXZr8Pe/eXPcNbwFFGd/DJ22T3j3jSp9uJqCr2Jk90BvMwPTde/eGHweu/IQTJTeqB7gj2ohmRtDSRl06MfhLzcmeJu5jDBDyhJFWYHzDQP/xXs+d9ew2tz2SsAB8PEERSeivGN2h1C9vjCf+xY8LHJN/01q6i4mixymzWq9d0ec+z+SnllIjOBvRB9Mcq/AE8+eC3RdmP78NHJIKHdcdLGUcg51s/Ij6Ny6Q45Y1cLrwDzvMtxQFgvkcujFNpetEBVr6QEJpx95WwHz6BQxo+AkaZy2v+tA1AGvRUhzAed1xqpuqYcvFV9/xfNrRlacUEXHiv6Mpy222F374Bs74fyAXVWR+tjsRBss+KgJ01/1WU37XXFaUtkUDdD0c24858sRBE/Q/HScBlAWZXU6ajcchXJ2t7NKH2/FRZYVEgUYzSG1RBw0JMkyOx3E86y9YzDAXiGuXZYCfKazY5wdAFy/Rajaitaz+jCTc9nSV7Evo/gsp1bIElFzLc8mR38lEXtgeTBblreE5py/1Da9NspsCtJ8ypLYhOjX4gVVCQZ/A9YTjngajW2lhCk/nfbmBKJtyGBN6U8TMnc42vp7jNjckcz7SN1RPAHixpi Z0e0mVA5 P19+VnB9wtxi7TghVoRX9AE7Qp2wMdiWERqqKoc4pAxseBOdla0xZ5tP0Mj2xCdPMgNfhLOyhMt38weoat2sw1/O+FkWOoT6s+HGvxxxRp7qzqm9jloA8T2dnly+FSGsHQmvBd+jUji6L92KG+ii3hzP38ozSNMCwO4PgdcmRoE+VsmaotXfXX0KFJnFx+shH9r6nyeszXh0x/O1Vk42cv8Ww8wjZ/TZqQp3DaLRTMvf9ip7C6hyXBg+lnhowJdpDwUQAUSqHX/z3namBEApCeI8G0oqL7wuwcNrl Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" hugetlb_fault_after_madv test skips testing if there are no free huge pages prepared by a wrapper script. Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb_fault_after_madv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c index c718dd065d53..481863cc5fda 100644 --- a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c +++ b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c @@ -54,7 +54,6 @@ void *madv(void *unused) int main(void) { - unsigned long free_hugepages; pthread_t thread1, thread2; /* * On kernel 6.4, we are able to reproduce the problem with ~1000 @@ -78,10 +77,9 @@ int main(void) ksft_print_msg("[INFO] detected default hugetlb page size: %zu KiB\n", huge_page_size / 1024); - free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages != 1) { + if (!hugetlb_setup_default(1)) { ksft_exit_skip("This test needs one and only one page to execute. Got %lu\n", - free_hugepages); + hugetlb_free_default_pages()); } while (max--) { -- 2.53.0