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 A2BDAFF885A for ; Tue, 28 Apr 2026 20:46:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 191B66B00D9; Tue, 28 Apr 2026 16:46:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1683E6B00DB; Tue, 28 Apr 2026 16:46:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 07E836B00DC; Tue, 28 Apr 2026 16:46:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id EB13E6B00D9 for ; Tue, 28 Apr 2026 16:46:50 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id B8BE9A0358 for ; Tue, 28 Apr 2026 20:46:50 +0000 (UTC) X-FDA: 84709148580.21.8E09478 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf17.hostedemail.com (Postfix) with ESMTP id 2A90D40006 for ; Tue, 28 Apr 2026 20:46:49 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=PRU3DXRA; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 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=1777409209; 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=PeSwkMUS9+rDP+sndJvfjw3A3phnn3E7RpJBlf5fTRsq7gpQHV8qzSp/4m/9TI839aJYMV XsCzMIYRUUYahMj+wQkr4Ie27J9E1EDC3fpELz2hP6jNmkACmkEHxqXI6ZRLPpT0+rwTzz 9R0Z69Mxd1zpEdFt0jcRdxXJMQ28SE4= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777409209; a=rsa-sha256; cv=none; b=C9QNOoe/pJzY88seW//4OB1+dQl5m3BaJk/ZlQAMv3jgmJJFNCZYehDABjtIM1CyDtwkuV DaK/NawSdIQ67GzmzEoijIKa3H/BZiT21zlR5HoLieNy4/dCF2mb4Oa9NO5JjEJDIwM74J RbOmXXr++qJxK08LWxlrGsQvroBATVg= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=PRU3DXRA; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id A8DF461334; Tue, 28 Apr 2026 20:46:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E4D5C2BCAF; Tue, 28 Apr 2026 20:46:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777409208; bh=ib9LXsJztlT6AS3f5wMdXHDwOYMXkAdeN957x1qT4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PRU3DXRA2mjPTJz0dlKDBKxbR8oyutEeJ5qREI7hgZj7tTUBuFefszFirMwxHaZtA wcQno4kZaVZxipoEstFNRT5Kx6+fsqYyjTZeXq2r+uZZ/p9PwSFe7IQwRuDrRPkyHj 3k7s3R1pNVsDvBBxWbiqgFyt5/iafBc8nmxOGuREw7X1QZ1ibJ4rfhmCpwKxnJFocc Gib7jpuSTVpA7GOrnpeS/LZ2KSmKYszWeZxfeWWNsvLzC07UiHqaygD+5A3xv78Te+ ni1bxIYZndp3tm7D4+ge+z8JMBNAUIcSn0XMAYNfn/WJVbwmWhe8BodXzGn0I3MkAm aJhXzi8/kqPlg== 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 36/54] selftests/mm: hugetlb_fault_after_madv: add setup of HugeTLB pages Date: Tue, 28 Apr 2026 23:42:22 +0300 Message-ID: <20260428204240.1924129-37-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-Rspam-User: X-Rspamd-Queue-Id: 2A90D40006 X-Rspamd-Server: rspam04 X-Stat-Signature: g6djdybes7wwp7obt5rucy94efhxhxty X-HE-Tag: 1777409209-115693 X-HE-Meta: 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 dgfVpXKD NSSKldZ9VDHZPQt9+zVJryc8Zoaxs206ODSt9+te5ZRr6NWP5idj3vW7IxdHbyyyEH6P1NITMVv/z3DF66SDktgC9CJ2gLgEMA84Ko9IRrbfDydUUvW1wGJoS0y52q8KuZ14lrZGX1SjckmTQ6Q0pRj/qaM5GT9hD3RNK+9epK55bvF24IRQKLWksdeGJHY4J+5rozu21DolHACFNBdDEBvYmWc+t2yeQScoA8yhAToyybyiSj1Mz+A4h37rnaqTgvwRJ5qoAuO2H4iRs/vMjFf2HH73iZlXb2lGN 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