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 0BAA5FF886D for ; Tue, 28 Apr 2026 20:46:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 783BA6B00CC; Tue, 28 Apr 2026 16:46:18 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 734116B00CD; Tue, 28 Apr 2026 16:46:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 622DE6B00CE; Tue, 28 Apr 2026 16:46:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 52CA16B00CC for ; Tue, 28 Apr 2026 16:46:18 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 23B81A0358 for ; Tue, 28 Apr 2026 20:46:18 +0000 (UTC) X-FDA: 84709147236.21.641596B Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf13.hostedemail.com (Postfix) with ESMTP id 7565820014 for ; Tue, 28 Apr 2026 20:46:16 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kTFsYnxL; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777409176; 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=xOPrd6EP+iiN6bp+k7dFkfgPuHy4eu5uJHgfe+ZE+aB/aIoTzrJ5vtfLzCz7xiIOpMLudS kceWWahc/8nRg35Y3IKrXpVj7SEBcEmRSbqWCdTolURGKkHz71kvYk6MDnKMpDsdPeWx9b kxhsGSpt2g5FDelkDKpwGYaDuJVcxyo= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777409176; a=rsa-sha256; cv=none; b=F2G5iJGqjOQVRbde1aJNyow+hHdJkuJClLrkf9LOErkohgOuDpiS1T/XnHk9RcBU2jGyp3 p3St3mioyeQ5ws43YcJi17cH+SNA9+pTPlZiZKcLNxR8NQXaC8oOhdgn1uJJX/fGgOfKcC 2217b/RIkSzcQxkTwmIitkxvwdwITow= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kTFsYnxL; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 9882D402EA; Tue, 28 Apr 2026 20:46:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C0CDC2BCAF; Tue, 28 Apr 2026 20:46:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777409175; bh=1/ugYRnvvCSRn7Fw/zm14SmACzlAtT74uoyJWfVmAG8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kTFsYnxLJOXZ0Q/eEhcLcg5Mlx0/S5fL9oy9PD+uUlFmgofUhqxp7PdVxkOQVCNEQ eMKvRBpPLeJ8BcHjU5lD2EBjvd0VHGsRxbwsZEjZ5Fd6Q3krz8cVblBXTqUVwJ3jQa atxv47h0dBWxJnx2wSGBFc/voKhGGWWaqc1T/NjwKkSh+GqOOqXHrQVqIo9JDmVYf4 nsr73MeVOdZyI0K7DYbKAr+KDLczHmrQhprpBvvxqCTssdFm04wNGXq4MnTC5iws1+ 29t71PuA6Af6KROAp9kammZcyZv4Q8xTEQJ7fIlU/+IDBDG6uIkfJLGgkXuM0itW1U JOMuUU8YENv6A== 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 , 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 v3 31/54] selftests/mm: cow: add setup of HugeTLB pages Date: Tue, 28 Apr 2026 23:42:17 +0300 Message-ID: <20260428204240.1924129-32-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260428204240.1924129-1-rppt@kernel.org> References: <20260428204240.1924129-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 7565820014 X-Stat-Signature: 6gayfjntbiang5cd54t6i1mzkymcomi5 X-Rspam-User: X-HE-Tag: 1777409176-976600 X-HE-Meta: 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 mYn8QfMa siq19rHF8gN65GtIxHP+yLrupAcqyzeHRsEeRC0tAWxaWL1K446Q2h+2NQ5DddTod915y7wM5EDJdkH8kpGS3Y0QMiKW5OCfgIDF2X0/xLRnxm7rFusC+HTmPSwiaoF+ATzez+CGRDU+zlyo6LD9MRus4GxfnBoGzu6DN79QXM6ZlSE11LU4yM/JOr1ZTkehqPsuZTqeSmUt8if+AAQwN97j5W9xXtC0R1jt4mjQaMA5MuLE= 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