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 061E4CD4840 for ; Mon, 11 May 2026 16:33:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 649616B00F5; Mon, 11 May 2026 12:33:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5F99B6B011C; Mon, 11 May 2026 12:33:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4E9286B0120; Mon, 11 May 2026 12:33:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 393316B00F5 for ; Mon, 11 May 2026 12:33:01 -0400 (EDT) Received: from smtpin03.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 01A681C00C4 for ; Mon, 11 May 2026 16:33:00 +0000 (UTC) X-FDA: 84755683362.03.A4E79E1 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf07.hostedemail.com (Postfix) with ESMTP id 596144000A for ; Mon, 11 May 2026 16:32:59 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kFsFjkef; spf=pass (imf07.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=1778517179; 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=3o+/W0v77ysmU9gpS5SJhLyBr9OODG/6VC40mLRRYYg=; b=ZDrtjanS4vumFethSAXX/l6U54kg5bVoWNP4CIwknpbitsGDQd99NM7zARxI/7JJV4Y/fk AwbklHMg1rB+cq1V/abuQz4hO0oadqe+Spo56lJd74fEiAetOxjQnd+TsQCRUiInjvPdlK PqcjYoeFQpTh4TPEY05tkfJwi+F1RpQ= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kFsFjkef; spf=pass (imf07.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=1778517179; a=rsa-sha256; cv=none; b=ie81TcOtUJmRxM0ZlPKQpn4BuCDnFW0VYadsl6p5T6k676jlHi6EUqfkqMsMaCars3PUM/ q2wXpMuvPMuoYSuOBWuZDZ1dEz+KAEcxwVbWdjwAeJJPIMwv7TGq3LynRr+cov/+UosCjL pfHrDnXiB1L/fY8D/s2E0YcHzi38NAM= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id CE86F60132; Mon, 11 May 2026 16:32:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 410AAC2BCC9; Mon, 11 May 2026 16:32:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778517178; bh=5yqp0VnRSeTLTeoa76s4B4sERdsjKxOAYdEtPWcYVyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kFsFjkefy6sMqwCaxUf3K3br74SVQV+s9svWMmgSPWtGuUaqhrE3ZTTGFiki3cDsW uIxhwdFiz+Pv9uaUSqPNU3GGCu7tb2ZJl9b0HBDp047RUGDA94yVwsPIJ/Vik/dULs CCPPdHWAWqpRmOLvuik/vhg4nglc8CLwtP2vSLZ3kZUfVLPopjHKWbgmL10yYbXZ7o VNSiglkgYKcPUq9ILqM9vBgCEamwr6pM4Vb64xy2IyfcgFAJEd2Fc0WiNlU6SAu0d+ oONvK1EYv4nOKHuROrufoeS8d+10CBFX9sFyuASTsEQ8fXi7Wq/5YhxkfD45i5Go1f KTk4avLX40POw== 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 , Li Wang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , 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 v4 38/55] selftests/mm: hugetlb-madvise: add setup of HugeTLB pages Date: Mon, 11 May 2026 19:28:22 +0300 Message-ID: <20260511162840.375890-39-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260511162840.375890-1-rppt@kernel.org> References: <20260511162840.375890-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: ty1zeor4ni8hdzjhai97dtwyf5roz8hk X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 596144000A X-Rspam-User: X-HE-Tag: 1778517179-502024 X-HE-Meta: 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 CCnOX7Qw 4M4r6jBg2/XpKkyzEEvEdoNiN4eKMJ7NmidpGujnaiUgX0yFuCHo99zvladnFW96lbOZkkWmDAOW2pUxlBMB7nlkXmwv0tfELLz/L4Knv97SgJjC2N+5rjUcyce+Y10fcTiaRWJ5Qm8ITfRHDGCDeY88D23eUKBesqPrkEUXRNZ/925xOPRmdSgSZvSd5OC9PFf4Zk2m6iDJXTxVSan9kx5ghCBxjWHpVVGHx18FyFZSSBZ0er2DFI9dbNHCDk6GB3hBy0OmXYFbhUghhms4Ech6dEOpeI8o1EWlUKi8NhFTDC8S+QFqQ3DDl82rBMbgql5+/ 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-madvise 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. Tested-by: Luiz Capitulino Tested-by: Sarthak Sharma Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb-madvise.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c index 8adcd91d078d..555b4b3d1430 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -4,12 +4,6 @@ * * Basic functional testing of madvise MADV_DONTNEED and MADV_REMOVE * on hugetlb mappings. - * - * Before running this test, make sure the administrator has pre-allocated - * at least MIN_FREE_PAGES hugetlb pages and they are free. In addition, - * the test takes an argument that is the path to a file in a hugetlbfs - * filesystem. Therefore, a hugetlbfs filesystem must be mounted on some - * directory. */ #define _GNU_SOURCE @@ -68,9 +62,9 @@ int main(int argc, char **argv) if (!base_page_size) ksft_exit_fail_msg("Unable to determine base page size\n"); + if (!hugetlb_setup_default(MIN_FREE_PAGES)) + ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", hugetlb_free_default_pages(), MIN_FREE_PAGES); free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages < MIN_FREE_PAGES) - ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", free_hugepages, MIN_FREE_PAGES); fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) -- 2.53.0