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 0F643FF886D for ; Tue, 28 Apr 2026 20:46:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 785D76B00D7; Tue, 28 Apr 2026 16:46:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 75BB86B00D9; Tue, 28 Apr 2026 16:46:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 699036B00DA; Tue, 28 Apr 2026 16:46:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 58F3D6B00D7 for ; Tue, 28 Apr 2026 16:46:44 -0400 (EDT) Received: from smtpin16.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 19E261B8FB8 for ; Tue, 28 Apr 2026 20:46:44 +0000 (UTC) X-FDA: 84709148328.16.34BBE9E Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf04.hostedemail.com (Postfix) with ESMTP id 8DD094000E for ; Tue, 28 Apr 2026 20:46:42 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fYuSQhSV; spf=pass (imf04.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=1777409202; 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=b37QlWSS8H2pRJR8VGvKenlu4e1lQmlMSKHGl2CnVnbyOEQm5luQfXcIykQEq4SGVvdN50 0Zq1pI8vRzglGVi2B589EqoG5iMaFBmnEUhSG69lFMtT9UKqtJA5AD6O1mGMqn8k2krSFl hT143+cXePYiwonfQNXIvCJZmjAVk/E= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fYuSQhSV; spf=pass (imf04.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=1777409202; a=rsa-sha256; cv=none; b=eehlL7yTGIRPvGJz4t5cnu0wbBhS4zTLAyWBFGYjRLIidiTZqfuxTKFyWw5mX213ahroA4 cl25mr0j4ZZIgQQX3qZCMd1nwcZ2lvfMdcgdlZo4Cjvrczce2yvCzhgyPYCwemawTJLLPR hCZuMlcAAknGqXfQ5Eqk+E8+CG8CT9Y= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 1C2F26132E; Tue, 28 Apr 2026 20:46:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6DBEC2BCAF; Tue, 28 Apr 2026 20:46:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777409201; bh=dW6FhGF6pU1ym+r/rDESusHBHIrjPAzWgWJPywW+wGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fYuSQhSVJ0ne2pgs7DvNzBdLL+G7mpiR2pp5C86jf+5176Cqh40SJcetAD5R9OMMn UROUjRqwcCbItrnjUJ9UCitoH+/D8VGH5E1o0CEXfEBBUwjChlwUxNpS064vULczf0 NwjkOyYaU5HHVj93kINvzKGKm3Y/nxQvdczmtMMXPWURgH14HTphEAGHIyqb5ij3GD AK1E0tRd7AGjK4iuxNPZsAy1jPYwds9CRgB89P4KIGtx5+YKGOi4y+y/7eC88Y9vhz ugAjg/AoCer2QAdSJloOlHPCzVkhAGf9OxkOc9azhyQBlX1jCpwI2RwBvcEDFl+bXJ c17JRcaUxrrEA== 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 35/54] selftests/mm: hugepage_dio: add setup of HugeTLB pages Date: Tue, 28 Apr 2026 23:42:21 +0300 Message-ID: <20260428204240.1924129-36-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-Stat-Signature: f6ias5qwgu5ghfbredx1e65ijuwnbs4m X-Rspamd-Queue-Id: 8DD094000E X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777409202-294672 X-HE-Meta: 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 N6MhwnsR xw78HMsOoxD8KkSaHxQXnp1muWYSEf4pUSa9OFMlrhlfPh955LORkDVWjbrjKspKw2gmaO/6IZgCv09CDJrbU6VugfZKCbDz50sEn/BAZ/xGaPcWXMTmRM9aFb1e5Lx37qKWXKPVZyV/LV8JrIWKS1ZVvVKnoTIfWLLom+0DWlaLhW43FFLr9DhiSLQFou3kFGhNtvqFa9AHdjYxxjGnKptRutnMLABCvPJrBjJcuMnbYyeF0eV/SegTi+PBI3k5lV2f9UMzBtstVNCheTrul0PnRNOuZGRFojkvN 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