From patchwork Wed Jan 2 08:59:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uladzislau Rezki X-Patchwork-Id: 10746141 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 058D61399 for ; Wed, 2 Jan 2019 08:59:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E899A2847E for ; Wed, 2 Jan 2019 08:59:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DC7E628496; Wed, 2 Jan 2019 08:59:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 788AB2847E for ; Wed, 2 Jan 2019 08:59:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 551BD8E0010; Wed, 2 Jan 2019 03:59:42 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 4D8A48E0002; Wed, 2 Jan 2019 03:59:42 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3C8F18E0010; Wed, 2 Jan 2019 03:59:42 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-lj1-f199.google.com (mail-lj1-f199.google.com [209.85.208.199]) by kanga.kvack.org (Postfix) with ESMTP id C0FC88E0002 for ; Wed, 2 Jan 2019 03:59:41 -0500 (EST) Received: by mail-lj1-f199.google.com with SMTP id f22-v6so8685001lja.7 for ; Wed, 02 Jan 2019 00:59:41 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:date :message-id; bh=LoPv9h3JHGZrNUfT0fWlwewqhAaH98JnDN8RA+KY8Xs=; b=jNeDtkY67BN4uts8TsWx76B5LSnSOYRWnZ+oqIC26hatYMuVPCpJGFV/i+ZQdexr/o +HDrYO/JhV9oroYgo1xmXyF6NbmAw6PB+YertXdEoRJoysxybrplHpGHFUzlG/cf5tlN /6iCKuynVqBFsHm3FIFySnA8UdptNDL3qWQGSgIuK+uB623753a4qONYmo9TAhm9mbO/ Rgmv+1/XAy0InogJ6E/+6oPUWQaWdNDqpfz1naA9kL3M0sw+TXeFL56fGcHNZAg7VGWz cWpk3txgt5MIh9nb1L8dUZe2WZEIaeevjsT678OtgGWFe+dCNDIqbsMCOErD/mqo8z+k GSKQ== X-Gm-Message-State: AJcUukfag7D21dM0cPZ0mVExfONclCg0KvxVihVR57Oyr4Bv/TzmC+E2 rg/N4p0pB54R3NJwUlsIr0sLqPscLxTP6UxQuZD+bDdrVVfGOq2LTemaEveXFV01SGt8Nv5/Iqz gbqJhT9UXaHOvKcbxMJcVOhN8Js5zlM7Gnb1DcF64v0UHZj9dx7bFY3f3xq7x4+NZimQZDP5wsd dky1Snhmq9ZK1UnX+SJlMt3DO2xxLsAQKJo2SZeeOR8SDZCcnaPvNyR3tou+6tulZvGd/hfKuOh RQEj1H5JCMqTQpJrVGIVPlTmXf1t7W9/vdzxmYCNyKglJsfukjGL607H+Eq3vHMk762CbCOpX9q 50rRb1Q4ZYqpfpy9Gjh9V3FDw90Nf1ijrgEh6ZAlFNUw6YZilvZg3SEGd3Zf2mA2YJlo2clzQOy I X-Received: by 2002:a2e:e02:: with SMTP id 2-v6mr20380858ljo.10.1546419580752; Wed, 02 Jan 2019 00:59:40 -0800 (PST) X-Received: by 2002:a2e:e02:: with SMTP id 2-v6mr20380825ljo.10.1546419579590; Wed, 02 Jan 2019 00:59:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1546419579; cv=none; d=google.com; s=arc-20160816; b=ryFjdwsJMlVmMVW+Qi55B0FlnM0uJ/u+Pb8mi6aUOPbjpaWbMzh8Wi5SuOox5tX7Ae 75cxYe1OH0YwspdAAiPlTou7zvZ9oQIxG9/xAw+wQ/dBBcIfWgeqMxewgCNQVbOn5X9i QpOuBKUYkeRbUVfZz13j466b3e4Bp1E6pXbEcvlUr+0Lsux/GEwayl3Mibfa+pNXEHad yIucaSgjOpldoXmBzwP0NwWx+EID33+qjcCjtnIZaPjQEQa/3MzRinBCtjIxhKyoj4Cm pdhg3SniS8SGg5MsWcVX+RtTskcnHhHz8tOnbGTcTqAXjudk/Jxryg2K3i9r2TCX+uAY c2lw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:subject:cc:to:from:dkim-signature; bh=LoPv9h3JHGZrNUfT0fWlwewqhAaH98JnDN8RA+KY8Xs=; b=ZSfS2GUi5PX8aJNu8uZO3/5fjH5ft5PCf4mi8Bega8xChDXUUwskewdSQzecD19eU7 JoOjiP0EEauV0+6onztbFXsXokK1meBz+Y1SByBExpq99g1W0hJqZNxpvnstG8UlEfLm 5+LxQsxX1eJjnH7WA5b6eUaIZ47hw448tYcqPLwuf8/yUh9GsMjPu/zMKlI+fvMSU28r ZB/eV2HR8J7L9VlTk6Ehibr0IHeJ19NAz2Dts/QVpBH8v7R471LMO3G9Lpx9AKvqVU4t TBSMB0dOUFuqtl2FHyn1hB6KYZy17X8XELuj6H7OYL2Awc2h11ywXr+G+O6rr+yTH4rH 7/uA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=vWS158X6; spf=pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id 2-v6sor29391426lje.12.2019.01.02.00.59.39 for (Google Transport Security); Wed, 02 Jan 2019 00:59:39 -0800 (PST) Received-SPF: pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=vWS158X6; spf=pass (google.com: domain of urezki@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=LoPv9h3JHGZrNUfT0fWlwewqhAaH98JnDN8RA+KY8Xs=; b=vWS158X6ZAZW1IKL+pwBmGt9WwFILn/UYOgPbvTEz/D08QT3OZuKHOWh/77CUq6FZ6 LB/djVF2IxNOvuekZGYVk1uFSo7TfvYsOvdQvm88i0J1FlnyxSSstXR0LFXTPm8ejK0m 6LPu+K/aFyrih0+Us4JnC3vWJSpvir0cH0r5kJ5EziEifedlq8nCBJ6gvaVd8w7jcZBL +IqBOOqn3d73hmVlWC6U+CHqU54TxV4Xm4b+PrI5s1VP442sU04tEK3yj62s5tOSV2vp yTB9+rsCAIJJC6pGrJtFFZpAefKo4VGM71NL6YknDku2yISD88n/53zMWr+esHqPFRMH LPYw== X-Google-Smtp-Source: ALg8bN7yu+VIFKbOf4p7ezfDAWAxkU+nTuly044jrjV0RJEkA2e+1LcbnsFS4B5xXrwv09bjIzWwzw== X-Received: by 2002:a2e:4942:: with SMTP id b2-v6mr2750431ljd.168.1546419579053; Wed, 02 Jan 2019 00:59:39 -0800 (PST) Received: from localhost.localdomain (mm-79-4-214-37.mogilev.dynamic.pppoe.byfly.by. [37.214.4.79]) by smtp.gmail.com with ESMTPSA id 10sm7489670ljr.4.2019.01.02.00.59.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Jan 2019 00:59:38 -0800 (PST) From: "Uladzislau Rezki (Sony)" To: Michal Hocko , Kees Cook , Shuah Khan , Andrew Morton , linux-mm@kvack.org Cc: LKML , Matthew Wilcox , Oleksiy Avramchenko , Thomas Gleixner , "Uladzislau Rezki (Sony)" Subject: [RFC v3 0/3] test driver to analyse vmalloc allocator Date: Wed, 2 Jan 2019 09:59:21 +0100 Message-Id: <20190102085924.14145-1-urezki@gmail.com> X-Mailer: git-send-email 2.11.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP Hello. This is v3. The first RFC was here: https://lkml.org/lkml/2018/11/13/957 Please have a look there for detailed description and discussion. Changes in v3: - Export __vmalloc_node_range() with _GPL-only prefix; - Add skip cases if the test can not be executed in current environment. That is kselftest framework requirement. Changes in v2: - Code cleanup to make it more simple; - Now __vmalloc_node_range() is exported if CONFIG_TEST_VMALLOC_MODULE=m - Integrate vmalloc test suite into tools/testing/selftests/vm Appreciate your comments and feedback, so please RFC v3. Thank you. Uladzislau Rezki (Sony) (3): vmalloc: export __vmalloc_node_range for CONFIG_TEST_VMALLOC_MODULE vmalloc: add test driver to analyse vmalloc allocator selftests/vm: add script helper for CONFIG_TEST_VMALLOC_MODULE lib/Kconfig.debug | 12 + lib/Makefile | 1 + lib/test_vmalloc.c | 543 +++++++++++++++++++++++++++++ mm/vmalloc.c | 9 + tools/testing/selftests/vm/run_vmtests | 16 + tools/testing/selftests/vm/test_vmalloc.sh | 176 ++++++++++ 6 files changed, 757 insertions(+) create mode 100644 lib/test_vmalloc.c create mode 100755 tools/testing/selftests/vm/test_vmalloc.sh