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 60360F46C46 for ; Mon, 6 Apr 2026 14:21:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C7F5A6B00E1; Mon, 6 Apr 2026 10:21:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C5CBC6B00E3; Mon, 6 Apr 2026 10:21:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B6C836B00E4; Mon, 6 Apr 2026 10:21:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A60B96B00E1 for ; Mon, 6 Apr 2026 10:21:34 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 6A201E0FD7 for ; Mon, 6 Apr 2026 14:21:34 +0000 (UTC) X-FDA: 84628344108.16.E12C880 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf06.hostedemail.com (Postfix) with ESMTP id D19C6180010 for ; Mon, 6 Apr 2026 14:21:32 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=TAdJCPE9; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775485292; a=rsa-sha256; cv=none; b=RE5zKCucTaUvHIz/in4uFsy38+lHtUZz9Uwu4cPa5iYqy9fS3SB3kXzmtauU6e8K/7eZQJ 0Y7zhTDDevOVgy2illdfVFKIEYPPrTYJzal75tUHNO+/tWA+VjwTmdZddQUG5gfefjtl09 Au/YSlaeZaGFGWHFl7agYNmkR5RsEeU= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=TAdJCPE9; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 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=1775485292; 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=EaR8yeTCKZs02E0BVkQWSjQGL8ahxPBCta8dW4kYNk8=; b=3DjpnAlHmL8r8JZbynsBTk//vxbmrhthmAbaiIVFgGaW26RLFNufHOc7/RdmqZMHoFAWDP SpH+ZuNRe4JByV6Bfy3vDsya7WsTaUVSWfjOf41sgT7HhDGWCEV7XEe6UxEBugp/Bg0cus AZ2Xcu2pklNfWaSW8ZkNzuQcv805BrU= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 576AA60123; Mon, 6 Apr 2026 14:21:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C13EFC2BCB2; Mon, 6 Apr 2026 14:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775485292; bh=53qqY7PQB/uAj+zPP1JxuvnMAG3AtCcj7DDDSb0K5uw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TAdJCPE9O8ff2Xunk0iUh1hSJscOC/eHqdSPiWd7BoHpI6bwE61qLpf+8pUD36Skt /oYHytW5tcFZ/DpIjaukljiuLAmI1Wg/ugS7TFYC1FpaKXBrLlBxN1e8Ct0uPMh6GR lrvCUkD88cJ0NNMaT32kx7gYtTvXQ7NOUY3KXVMI/Dv/SFuf7DKY+f+s5KHj+morqF 8WKx4mzVHDOmhH55hMB4XTI65CsYhAQRbz46OHqvJGZ7dPYxqhp04NjeMRjCYVSyKU +7hcuINHOe674eEUMlXR+ewBIfct/CTF3w2OvQErftx8uuNzo9watAoW/TOfeUs31M IKeXmLQ582D9w== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , 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 , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 39/53] selftests/mm: hugetlb-mremap: add setup of HugeTLB pages Date: Mon, 6 Apr 2026 17:17:21 +0300 Message-ID: <20260406141735.2179309-40-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260406141735.2179309-1-rppt@kernel.org> References: <20260406141735.2179309-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: ug4rzitk7t3as1xgfaftrki1jt19e5um X-Rspamd-Queue-Id: D19C6180010 X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1775485292-283991 X-HE-Meta: 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 lOKE9lf1 o/aSxFzaMtdSU+Xua4u0nagRIkR4GehK68MhEaFunf5OKgVKnhLbRqJsDl2frrmkILPgywRmRj1JnCBY86lzXDcsj0zzGa+8sgVqGAmoyzwy96NPbkzvsWZdXqvMN+jzrkMFy0uS8w2elpwXtkh3w5RKmZD4/uvkGoNbvC+0GmyoKacNZH5ilXar/t5aIAjygmRtYshBVgN/bn3bgHEDxI50VgqTP63niwLZcnOYTk/KrqZ4= 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-mremap test fails 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-mremap.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/hugetlb-mremap.c b/tools/testing/selftests/mm/hugetlb-mremap.c index 1c87c39780c5..09241a279ec2 100644 --- a/tools/testing/selftests/mm/hugetlb-mremap.c +++ b/tools/testing/selftests/mm/hugetlb-mremap.c @@ -26,6 +26,7 @@ #include #include "kselftest.h" #include "vm_util.h" +#include "hugepage_settings.h" #define DEFAULT_LENGTH_MB 10UL #define MB_TO_BYTES(x) (x * 1024 * 1024) @@ -108,8 +109,9 @@ static void register_region_with_uffd(char *addr, size_t len) int main(int argc, char *argv[]) { + unsigned long hugepage_size; + int ret = 0, fd, nr; size_t length = 0; - int ret = 0, fd; ksft_print_header(); ksft_set_plan(1); @@ -125,7 +127,14 @@ int main(int argc, char *argv[]) else length = DEFAULT_LENGTH_MB; + hugepage_size = default_huge_page_size(); length = MB_TO_BYTES(length); + length = (length + hugepage_size) & ~(hugepage_size - 1); + nr = length / hugepage_size; + + if (!hugetlb_setup_default(nr)) + ksft_exit_skip("Not enough huge pages\n"); + fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) ksft_exit_fail_msg("Open failed: %s\n", strerror(errno)); -- 2.53.0