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 091D8CD37BE for ; Mon, 11 May 2026 16:32:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6E4C26B0114; Mon, 11 May 2026 12:32:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 695156B0116; Mon, 11 May 2026 12:32:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 55D106B0117; Mon, 11 May 2026 12:32:35 -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 415596B0114 for ; Mon, 11 May 2026 12:32:35 -0400 (EDT) Received: from smtpin15.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay07.hostedemail.com (Postfix) with ESMTP id ED72316020F for ; Mon, 11 May 2026 16:32:34 +0000 (UTC) X-FDA: 84755682228.15.AA06BE2 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf11.hostedemail.com (Postfix) with ESMTP id 19CCE40011 for ; Mon, 11 May 2026 16:32:32 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=S1SkCvWj; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf11.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=1778517153; 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=AZwYRRNukOZeF8+0dkVi3eId6Icd36S+OD16wdsZoc4=; b=l6NZDZMEwDitNu+zgkm0KsJ3Y0zpiFUWHSNk55uvisxfD6OP+i3jb0Q0KO1F44bYQm0DYP 7DZKRyvBzi3XPZ35uvpuFtpi2KJJ5VuaIasS5xqgnUM6PidAB8WUo4AYWjFYHCIRNmESlo M5wQ5h2hgV3ChLOOLPn0EqsigHw7cdU= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1778517153; a=rsa-sha256; cv=none; b=W4PJHViXhfYhAmvZCJdFCBTFTHZSDJLkng2QX1PjZhVhm4kGAreAuX/PgIWNvuW80XdlWQ K/7/nFvlphuFDZGIR0JEsyXfybry4E6xsIVuPwf6Lp9uhEOvtjtVgzWQdzKizvECjXmV4R UDPxnEyfSP5y9+GEh4SN2J3NWYsBQjM= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=S1SkCvWj; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf11.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 4660C43227; Mon, 11 May 2026 16:32:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22D0CC2BCC9; Mon, 11 May 2026 16:32:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778517152; bh=55gDmnO5T45LMvku84PvaaMpLqFoz2ktrJOVSg+/AyE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S1SkCvWj7mrUnRTm3Zy84Z4OanDq535aEWgVexeaslU5b5MOaLWX/CaC7xGaftSKq ZAgheTl9QnLISNZoF+o2nGJGyi7bkDvepDRVRXEKzoYrVld+WHFbRRe3mCnmFV/c61 GEuT+3bVH50GoXwfzWPQSdaSi9Tnsx5GqH6zFZqnCUcsOO/SEj8t6n/AeJjre4L/vd /bnxd1jFTL/Fdnogkia1HA6GyUJqnSYLv9H8yPHScAzDZEK4E1qczsPxHVU3F7RE5R S882e87MGZa5iybUMTtvzICPmbj0xxbSVA4WXk7VzFdDfDtShHuoziPmaLxBe6Wy1I WXjxjqc4FmTeA== 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 34/55] selftests/mm: gup_test: add setup of HugeTLB pages Date: Mon, 11 May 2026 19:28:18 +0300 Message-ID: <20260511162840.375890-35-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-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 19CCE40011 X-Stat-Signature: hi3urp4czpbtpq6b4ojazn5phzhwkbys X-Rspam-User: X-HE-Tag: 1778517152-124425 X-HE-Meta: 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 MGHwjla+ +Jp3pYqd44yXPnJ81M2nKoetOvx7WujUw0jnD6PVZj5bKuKNb6wAptsmBBZi0H0z8ROB6wPQM9PORSc+ziEn0xX/jTHbEvnLPlvoBawQHMbEpr4kfKDnOUG6PvCveNGYuLm4CZ3nRtPnhgDNva/Xxtlmn+G3JN9MBFRAkfZZOU1FRtybVjBcmcDUWSqiNGGI3Exxl3knhWie7NOQh01JNF3n/9BceV/6MZE5RJXCllbK3JkRuckB2DkRqlsJewQ6yHnZfJMA/w4HkNaFleAM9FXRpAym0FpvmqJHxmPEq0iWTxQ3fuZYOmZiOqzwGPdacT1k1QgZOsuXxeJzxJIYINU+LCremQkSZSo3g00evBFdDHfs= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" gup_test fails to run 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. Tested-by: Luiz Capitulino Tested-by: Sarthak Sharma Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/gup_test.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c index fb8f9ae49efa..3f841a96f870 100644 --- a/tools/testing/selftests/mm/gup_test.c +++ b/tools/testing/selftests/mm/gup_test.c @@ -14,6 +14,7 @@ #include #include "kselftest.h" #include "vm_util.h" +#include "hugepage_settings.h" #define MB (1UL << 20) @@ -94,6 +95,7 @@ int main(int argc, char **argv) int filed, i, opt, nr_pages = 1, thp = -1, write = 1, nthreads = 1, ret; int flags = MAP_PRIVATE; char *file = "/dev/zero"; + bool hugetlb = false; pthread_t *tid; char *p; @@ -168,6 +170,7 @@ int main(int argc, char **argv) break; case 'H': flags |= (MAP_HUGETLB | MAP_ANONYMOUS); + hugetlb = true; break; default: ksft_exit_fail_msg("Wrong argument\n"); @@ -199,6 +202,18 @@ int main(int argc, char **argv) } ksft_print_header(); + + if (hugetlb) { + unsigned long hp_size = default_huge_page_size(); + + if (!hp_size) + ksft_exit_skip("HugeTLB is unavailable\n"); + + size = (size + hp_size - 1) & ~(hp_size - 1); + if (!hugetlb_setup_default(size / hp_size)) + ksft_exit_skip("Not enough huge pages\n"); + } + ksft_set_plan(nthreads); filed = open(file, O_RDWR|O_CREAT, 0664); -- 2.53.0