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 AEE46F99C79 for ; Sat, 18 Apr 2026 10:59:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 23EFB6B0282; Sat, 18 Apr 2026 06:59:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 216386B0284; Sat, 18 Apr 2026 06:59:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 12CE26B0285; Sat, 18 Apr 2026 06:59:51 -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 F20C16B0282 for ; Sat, 18 Apr 2026 06:59:50 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id BD8FC1A0483 for ; Sat, 18 Apr 2026 10:59:50 +0000 (UTC) X-FDA: 84671381340.12.4F2D40E Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf25.hostedemail.com (Postfix) with ESMTP id 35017A0005 for ; Sat, 18 Apr 2026 10:59:49 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=LUZXlt5w; spf=pass (imf25.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=1776509989; a=rsa-sha256; cv=none; b=65V8aBmTgLRAukKk2/04jb2FOkHQMxhg7zNtNn8B9PpN4Sr6roxkGfHsaZt6W101/NXd8e qhMzEV/Ls7qHly7oNr2FBU4p+/07WQMfJy8yk7lwCttHpPqbwNUG+/pB+iuiqAtfLouADN KyWViisJ+E0v6S81GVSWkVy7NWqenwg= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=LUZXlt5w; spf=pass (imf25.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=1776509989; 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=l4LiDWfiwKB33l5Xo5i0H+NjQSC+1ZTdTjilc1bIUYYP2AD/3lPkWErzSO02kvPjOnuLQV 2wIWN59aGSfDoMCwasejDshIc6+eBIAmD8h+pv9WwMGoA5dLYuuovQU4MBaJ2WtW5MjCAh iwGF0ZEXEyvXwPTEFr8m/D/HSAYzWA4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id B013A6013B; Sat, 18 Apr 2026 10:59:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC524C2BCB5; Sat, 18 Apr 2026 10:59:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509988; bh=53qqY7PQB/uAj+zPP1JxuvnMAG3AtCcj7DDDSb0K5uw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LUZXlt5wRrXqfRKAmHovZ3JMSpzhHwncgfJ652lortl5wq58UoQvjIQ+c+ydESSGb mv2czE3tEUxi4Ol/Zgpvq4lNqupj63om6xpPM4urrwHcm8Pi03Qfq8jTvAVWv1XhUJ CrszSYDr9DdzRPohCaE2FlosizlkFu5m5ACfuTGlndhpHuQC70gBoCZfa2dhOREIOG QAG3Ydz3xcFD2Lke+5WFijdnQ8LyO2JWN63uSst4jNp8pvpKz+XG0zHYvndMbjNPSA /o2S1KlKSjo9dwM2ZBYz8GieNy1Xhsq1iQpPLiApC7HQZB5+zEVsLpZfNfEUbw2HG2 66cRXTN53ur0Q== 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 39/53] selftests/mm: hugetlb-mremap: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:24 +0300 Message-ID: <20260418105539.1261536-40-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-Rspamd-Queue-Id: 35017A0005 X-Stat-Signature: xsakf754c3x3ffftn6f6atpt9z3x4dkr X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1776509989-134296 X-HE-Meta: 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 btKbDgxS q80hPYRwP1DeyHgBo8s9U9RNPALvCN1g16oykhLbe2b/l4cwqDv/Xkqf2klqBQx9jm9trpWSqX/JzMA1YdialD00NtnQzwn2bbn0LDTFIvppSeWoGHfhapMReh+OEeG+J5Z68IRVmoQmvCRBxfEXEW+vBAyTF85ibjF5uJGe6mTyGJbzxjC9lP4miEmcHuKS9eQzipSfXTS1pXKoWHQmtkxLmaLA8SPlzOQ5Qr9uC6ZKdtwM= 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