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 8731FF46C46 for ; Mon, 6 Apr 2026 14:21:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F3DA86B00D4; Mon, 6 Apr 2026 10:21:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EEE8D6B00D5; Mon, 6 Apr 2026 10:21:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E2B746B00D6; Mon, 6 Apr 2026 10:21:11 -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 D45266B00D4 for ; Mon, 6 Apr 2026 10:21:11 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 9484D1B7F8A for ; Mon, 6 Apr 2026 14:21:11 +0000 (UTC) X-FDA: 84628343142.09.83C0898 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf28.hostedemail.com (Postfix) with ESMTP id C644CC000D for ; Mon, 6 Apr 2026 14:21:09 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="qrhCPB/F"; spf=pass (imf28.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=1775485269; 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=xZoDhbWNEouwgaGlkfkUpjJoSc42y7xWd91vFax7+2Q=; b=HuUcXH2TotHdVOTcTF0oHZc5fPFWtWOIm0/Q46ubJka6XmkgzoXhG2/ob9uU5oiX4uG40Y +6PdjOPuLyFgyMNGs85DVV6t/+gPJzy0t2l9KHB+2SEym85MdZUK7CWPWCq0j0C//EmnUt Eb6kzYvbZ+kZxiNOFqzLBLu/ejsJZas= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775485269; a=rsa-sha256; cv=none; b=BDpdJMzycA0jzsWKr77gylMc+GeEpp7kugX01jqa6wmpKj329+SpCIjbKTdi9Nt3hnL2/3 WrhkNvD8/rgc8Ri/QPrp6zPEvgBkNAknripFqEgLw+9hOElrBGUB6h/XfESZE1ovNEnjOG 4748tuZbryg++hgYAjexjHkYSdzyU30= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="qrhCPB/F"; spf=pass (imf28.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 48E3460126; Mon, 6 Apr 2026 14:21:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B40E3C2BC9E; Mon, 6 Apr 2026 14:21:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775485269; bh=ib9LXsJztlT6AS3f5wMdXHDwOYMXkAdeN957x1qT4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qrhCPB/FE7s2ugmzDIClFZRLbmXSI3xuwtYWqEPSGSVk1TtwGU/zlHwfAvweZA5Nu +Q2X2k2WPj3tP/z1wLJB3WZUSueCYfsscrlR429FKIgjD9RKyfK4T6CqLa8zr73Uis JK6agm4Zu12BfZeghE6aGlt3hRZNZmPYdsKbLNKP+VokL/8wx2W7MzcG4W4raVH+sP KpYP8Y2kgkaH99ILDISZc6VKbre0IKaEeuZ3vQanXV1v7wC4ubCwj6Ukccvruzdkih CLVUrwnWtuFZBIPaztH3vJ/b1Pk+KAPzLqZQeKdpn8NXboMhiavOOFJSW7VuwIQT1E A194Z+beJpUpA== 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 35/53] selftests/mm: hugetlb_fault_after_madv: add setup of HugeTLB pages Date: Mon, 6 Apr 2026 17:17:17 +0300 Message-ID: <20260406141735.2179309-36-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-Rspamd-Queue-Id: C644CC000D X-Stat-Signature: hgkmq9wror714t7ckaqsfa6t6456465w X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1775485269-573348 X-HE-Meta: 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 CYy7gePj NHYYshup/l6DxIaxz0DkS39h9lVjPK8Ou7G15tdmkcCAwhc9QWmABmpQUkuoaWj4c/QhDXIstwro7DtrDv7LxfYFvw5FQA0Ziwf4Vy/jyF1uhsloVC81X/CqSl+0z6IjW1z6nGi3Q6TkJ4t262qZodcVTR9xU11yXY5dMWjuiZoxuOsFi3Dn8i/ldISva16eBQ5KW7g2bZ/gy+5cnuAWarKf79wwfnPIUrFUuqjOtw3pn/LeKQGsWXeTJLmYVpdBt90ViD3dJNjTWbfh9ArFoikXj+A== 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_fault_after_madv test skips testing 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_fault_after_madv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c index c718dd065d53..481863cc5fda 100644 --- a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c +++ b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c @@ -54,7 +54,6 @@ void *madv(void *unused) int main(void) { - unsigned long free_hugepages; pthread_t thread1, thread2; /* * On kernel 6.4, we are able to reproduce the problem with ~1000 @@ -78,10 +77,9 @@ int main(void) ksft_print_msg("[INFO] detected default hugetlb page size: %zu KiB\n", huge_page_size / 1024); - free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages != 1) { + if (!hugetlb_setup_default(1)) { ksft_exit_skip("This test needs one and only one page to execute. Got %lu\n", - free_hugepages); + hugetlb_free_default_pages()); } while (max--) { -- 2.53.0