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 D4A35F99C7C for ; Sat, 18 Apr 2026 10:58:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4875F6B0270; Sat, 18 Apr 2026 06:58:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 45F5C6B0272; Sat, 18 Apr 2026 06:58:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 374F86B0273; Sat, 18 Apr 2026 06:58:56 -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 234D66B0270 for ; Sat, 18 Apr 2026 06:58:56 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E3D79B914A for ; Sat, 18 Apr 2026 10:58:55 +0000 (UTC) X-FDA: 84671379030.28.82A6E4C Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf16.hostedemail.com (Postfix) with ESMTP id 3D450180005 for ; Sat, 18 Apr 2026 10:58:53 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=GaYvJpiU; spf=pass (imf16.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 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=1776509934; 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=T3CydojST8YyCcBkw0GPuSQcYMWLZte5wcCWbjyBKns=; b=vEv50n7HXFb5j9M4YZRoq/YUoiD/K6Alr22jaMDosPac0nrpf7gKb6fXKP67S9DdM+KCP7 7I/UJKq+hi7LUxd1+3gpD4CyfCFv+v1kjwMYz3fbfImHpy90GyMuj7oGHXRnVbjVwNc5i0 Cn6kZolPFFuJinXi+VGZyjjRH2hq9lY= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=GaYvJpiU; spf=pass (imf16.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 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=1776509934; a=rsa-sha256; cv=none; b=qqj2qydyq0mO/eZWUdI8G6WobRDW/mChjL+fXNZZPHexlaKmS6H6EuXZkLMlIszxbvxdzd KLA8XGkoaU/+7cLX/AsZv6W5W6qqjuFjvXC7TlCXGhPIeDV8B0at0kEUZNEIX9W4Bgu/es cKbdhgA+NviY1xGalheUb5F954/FlP4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 40FFC43A32; Sat, 18 Apr 2026 10:58:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78C54C2BCB3; Sat, 18 Apr 2026 10:58:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509933; bh=1/ugYRnvvCSRn7Fw/zm14SmACzlAtT74uoyJWfVmAG8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GaYvJpiUhsFjtAZ6oeEfPRx/pDSIplMUmXnj8hsUT96vWC7ZP7+1Ea3T30s/eF94q eKwXJsTOAnnBsGeNPkSmN5Gge3gcCZsHttWZQuA5S1Xdal4Wa+yRCt72wcdTRYVSw2 Vq0R2kuAVWMgrcQpyuRkMO5IXDnz2a9IMetzEEpNIDaXWn0UwgA/uq4u2yvXNnuBHi 4Yr1BeujIa1LBCQcjvTnNsPjHFQ0aT7tR643fszmn0nYlqhmMbFvsb12hWhn7iVQlh XBgaInMNWixJfVi6KKF27h3E7ulZb1AEgipizlM0LmPhLz/dN865L5L1zq79f3maBg vIGexg/0WiFSg== 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 30/53] selftests/mm: cow: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:15 +0300 Message-ID: <20260418105539.1261536-31-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: pozfyennfipngsmtciqg1ahn7kkw3a66 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3D450180005 X-HE-Tag: 1776509933-778018 X-HE-Meta: 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 1ur5G35E fAIp+4NQHL8628mODmUKyusojwH+RcHkcsewT0U+4r9rOlfyayWZSIQAyAES5cdmPcAyHAcAbg9RXueuszxb6EmejDu29FJRvdA9Icdu0kqqT1nVjK2FalPSawJLfim7Hl05rl/G/adKxVZwC1jaR9zpMLfox+2/IwOQg0xLeXky7sLzk7uncoogH/njAGNPMSlF9UitJec7euke3e2WFLVxYJf+KHEI82IINLEzmt2PCs7E= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" cow tests skips HugeTLB tests 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/cow.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c index 4321f4208fe3..1df513bf362d 100644 --- a/tools/testing/selftests/mm/cow.c +++ b/tools/testing/selftests/mm/cow.c @@ -1881,21 +1881,21 @@ int main(int argc, char **argv) ksft_print_header(); + hugepage_save_settings(true, true); + pagesize = getpagesize(); pmdsize = read_pmd_pagesize(); if (pmdsize) { /* Only if THP is supported. */ thp_read_settings(&default_settings); default_settings.hugepages[sz2ord(pmdsize, pagesize)].enabled = THP_INHERIT; - thp_save_settings(); thp_push_settings(&default_settings); ksft_print_msg("[INFO] detected PMD size: %zu KiB\n", pmdsize / 1024); nr_thpsizes = detect_thp_sizes(thpsizes, ARRAY_SIZE(thpsizes)); } - nr_hugetlbsizes = detect_hugetlb_page_sizes(hugetlbsizes, - ARRAY_SIZE(hugetlbsizes)); + nr_hugetlbsizes = hugetlb_setup(2, hugetlbsizes, ARRAY_SIZE(hugetlbsizes)); has_huge_zeropage = detect_huge_zeropage(); ksft_set_plan(ARRAY_SIZE(anon_test_cases) * tests_per_anon_test_case() + -- 2.53.0