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 EBFC2F99C7C for ; Sat, 18 Apr 2026 10:59:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5E81D6B0278; Sat, 18 Apr 2026 06:59:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5994B6B027A; Sat, 18 Apr 2026 06:59:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4AE876B027B; Sat, 18 Apr 2026 06:59:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 374786B0278 for ; Sat, 18 Apr 2026 06:59:20 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id F3DA858EFD for ; Sat, 18 Apr 2026 10:59:19 +0000 (UTC) X-FDA: 84671380080.24.77BD8BB Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf21.hostedemail.com (Postfix) with ESMTP id 67B161C0006 for ; Sat, 18 Apr 2026 10:59:18 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CBVQPD3N; spf=pass (imf21.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=1776509958; 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=tW63MfJ4Ood0qwn/Lol3yNzgWQPHJJneODL7qiJ8/jE=; b=QGH84f295UvGOCvbCuTleYIcx824C26PCkkzrtHF0OsJlgmJCfAZ9FYE6EmFlvef2gE+B5 VUY4h8labOkFZdgtEpdldbWZsD22Z+ujsOq0ncVEanlBqmL7idz8M5VJRKMajY2y/EMQuo v/j12E51MvFgh/AuC39eLEDdBhazRbA= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776509958; a=rsa-sha256; cv=none; b=U7ByiVrXb/VvR5bE6zXB1Vt5ntKau+Ddxn+t9nkNkvK0Snvt1V7HSMm3m8NhsiUnQ7MBF7 6E37WS0jzbeBF/2aiTwHBrcS3GYAz6L9HavwGQobon8yqqjF4+2oXNRk41e8a4Nljijx2l lBmJhZh+CUNK6kN6eaZzdRhO1rm7emQ= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CBVQPD3N; spf=pass (imf21.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 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 0141260138; Sat, 18 Apr 2026 10:59:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10030C19424; Sat, 18 Apr 2026 10:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509957; bh=dW6FhGF6pU1ym+r/rDESusHBHIrjPAzWgWJPywW+wGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CBVQPD3NJnmDJfdCka195nD7FyTgeRzFlFMF2Ngl79g/pBKKalas67xEabr2RsQTb laR6EuV2F4gvUMqiRlbRYhMKSeG8HzpJgYk+Pxzadc6/T+wZk9fbW968UuzStIZxq+ UWDVWYEaFTgYnK7lopXHZMObSP5hSWFOogdqOswqMMCk3ZhvPyhb+67KZrKZTtLuax 44NBGzs6yRBNtC9zrZVJuCYgapQ0hUDvjhtQUD3+SMHXdIsArS7OQBM2CSZmTHCB8t TyR9fTOP9fS4N9wI/AuSwByGzho5ydfFQ3hU1FwElVtCzlFWFbdHAv6NdTDVTltenr xqsWvQLmRUYTg== 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 34/53] selftests/mm: hugepage_dio: add setup of HugeTLB pages Date: Sat, 18 Apr 2026 13:55:19 +0300 Message-ID: <20260418105539.1261536-35-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: ibn7t4c35dnap79841ytemfb8c9hjxwc X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 67B161C0006 X-Rspam-User: X-HE-Tag: 1776509958-537471 X-HE-Meta: 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 Rzi9Mpj+ WZjxzEmeXi8Al+j1DsQ4TcHIIkLPDZX3myxyv4RJu8PW8+g/6Wtth0lfR5jf6oG76IWxRF62GUSveZPdqla64OLH2vrV9xS6Py9QQUyZAW5uCil/Da0fyjmHO26FpHWQ9uFgPnCBbQ+ggOCzlXjPzwjKYbKVJO9RPAAUU+llGI+uh34BPo0gfZD/bbK1//mNgTAXHL5l/EGvYARu231MYKjK8qPG0Qb4BqNfgCEEuNTraRFTNloHtDoWHB0kOwJOXtwhIsx38CZu5RmtcPeHz3G0LrC+f79GEeyhR Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" hugepage_dio 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_dio.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_dio.c b/tools/testing/selftests/mm/hugetlb_dio.c index 47019433ddaf..fb4600570e13 100644 --- a/tools/testing/selftests/mm/hugetlb_dio.c +++ b/tools/testing/selftests/mm/hugetlb_dio.c @@ -85,8 +85,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the default huge page size */ h_pagesize = default_huge_page_size(); - if (!h_pagesize) - ksft_exit_fail_msg("Unable to determine huge page size\n"); /* Reset file position since fd is shared across tests */ if (lseek(fd, 0, SEEK_SET) < 0) @@ -94,10 +92,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the free huge pages before allocation */ free_hpage_b = hugetlb_free_default_pages(); - if (free_hpage_b == 0) { - close(fd); - ksft_exit_skip("No free hugepage, exiting!\n"); - } /* Allocate a hugetlb page */ orig_buffer = mmap(NULL, h_pagesize, mmap_prot, mmap_flags, -1, 0); @@ -141,8 +135,8 @@ int main(void) ksft_print_header(); - /* Check if huge pages are free */ - if (!hugetlb_free_default_pages()) + /* request a huge page */ + if (!hugetlb_setup_default(1)) ksft_exit_skip("No free hugepage, exiting\n"); fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664); -- 2.53.0