From patchwork Mon Dec 31 13:26:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Uladzislau Rezki (Sony)" X-Patchwork-Id: 10745391 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 E003913BF for ; Mon, 31 Dec 2018 13:26:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B6FE628751 for ; Mon, 31 Dec 2018 13:26:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A8D262896D; Mon, 31 Dec 2018 13:26:59 +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 8D40928751 for ; Mon, 31 Dec 2018 13:26:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D1D758E0092; Mon, 31 Dec 2018 08:26:56 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id CA58D8E005B; Mon, 31 Dec 2018 08:26:56 -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 B94A98E0092; Mon, 31 Dec 2018 08:26:56 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-lf1-f69.google.com (mail-lf1-f69.google.com [209.85.167.69]) by kanga.kvack.org (Postfix) with ESMTP id 4BAEA8E005B for ; Mon, 31 Dec 2018 08:26:56 -0500 (EST) Received: by mail-lf1-f69.google.com with SMTP id m19so2575279lfj.17 for ; Mon, 31 Dec 2018 05:26:56 -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=BO3tSa3J330Tpbmn9DhDXphuySXauc5hmt/7nSk40Qk=; b=d+CkeG7GWFme7JRl+1PigBN3UeEABCDerShNVytO33IubcsrDn7Ct+953bRfWOVDvA Tc/iY94hE9ozctpM6IjenJ1gTrSmiz1kKTOmXtcuD4cppIswcXebLoF/jyn2YOrNVyEb DgiPS+8+j+Mi0orReSQMShMoum0GO9apHBbolN0oVSzhH4GCzBeRZVcBJnb8qDYyQwLN rcQjmreiykpGZBaZM2iWI9Chy2GFpZ3IRYKJsmySv5ug29nYbH2eFKfai/BljTMJudow TgkfVHjadKYRMjpN2EBILqJs9U7GFRpiCK/36BqEzdJJqu+ZnO7fgmviuW56Yaccn3KY 146g== X-Gm-Message-State: AA+aEWaRNihNfInVwfIufb85asvBRgxBg4BQk/A+Z9EQl1sNAPYIgGx1 ytb4bBqzvFGmwnLdmPSKBhJf6FJco1zzBFK9YxB9gj3oW0Wv9+4M1qfsF8r/UW/TqSw2CbcBTC9 pBt2tUz4rSWzO5dX4zktsYa2yAa4/T82Vayhac+izOMOQ4go9iKig9mDGXcSWB1ej+JiGS4ogU2 nKkiRNz09SOM40H5FN90IpJYrLMxmVoFO5DbyTTYekgw/wqTyXIIYnpbrAY5j+G78tfNeKb8MX2 JCjoo5B2pLWd65FQedxhZ5Gb9PWa+mPCtbi8DnyM1nR3VKXExFAXs8yKWP54qEPie7ADXoUbbQq +WhrWQt6N7AlP4R2jdE0oBhJsRKMiI0tovTZmI6a8y7zyKSt40xayEJbSv19nHfTv0dAlt/zMwm O X-Received: by 2002:a2e:914b:: with SMTP id q11-v6mr20759308ljg.164.1546262815280; Mon, 31 Dec 2018 05:26:55 -0800 (PST) X-Received: by 2002:a2e:914b:: with SMTP id q11-v6mr20759286ljg.164.1546262814113; Mon, 31 Dec 2018 05:26:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1546262814; cv=none; d=google.com; s=arc-20160816; b=ry39QZzK6O9zqfETm/ti5dLvOW8198qc4pcijBhkZkvGz2aF/CmRnlVrRPgCcPA5dp I86Ssfk/7ZizfHoLuDXTAlllY5cEE4K6aBc6ponCZq5LtB2aoABhe1zxYd1gakx7w7zp h9Yc0eAHDBa9pwJ3BMwQlnon/xEfovDa8ALobk4QkEtnInUk4eufL9dLGBiiUvbMZJ0z un/t7UI1JLTqLJNWSHYqqdTDtypTe0a7b4yBN6MKdocrWYbuBaoztZc5qIXxQfqKTdOD M8Nr8EyrGYHxITO2Gqb9foP6NjbrADvyWI9hAN1F8+w+qXpeCD3lfjX8+IHDCBq6bdN+ F0+w== 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=BO3tSa3J330Tpbmn9DhDXphuySXauc5hmt/7nSk40Qk=; b=vxNFyrHp8bYuDZ+UaDqWCIzHP+fSgS70kKAFkW5WDKpwWBRLbv+oPyPp0xbar7I5Is J+TOwnhPIszBO8WPPnTjkrH1oQ79bHpLk/CeUiecwhj6XE5HQpLT+V6BeTMsOGC6n+E/ 4HgWbA47OomgtJ20B8KjcpJu7sa1L7FiO6rwXpNBxXITQJvNURawsYP0gnx38mjjIKlS tYhzKgAIaW3LCMfwcQraxhqHmAeior6mqtwJ7c5absgKRzDKQRgVsW4K+2oXWd+S2mPY Zu2GoKu8bKqZ33HBE2gF6WPzrBaHe73iRB9r6mqnD8/Uq7EKL5Q4bzX/YXBMMhzCSP9J PkhQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Zcep8Zvz; 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 c190sor12264011lfd.62.2018.12.31.05.26.53 for (Google Transport Security); Mon, 31 Dec 2018 05:26:54 -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=Zcep8Zvz; 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=BO3tSa3J330Tpbmn9DhDXphuySXauc5hmt/7nSk40Qk=; b=Zcep8Zvz6K5ejGdqAAWFPNMqGIdfNmTU9r8W3nxlG4mJgeW9iAvX5wWv+iaKl6hbdQ TFBZ7dErCzlCQx6JePtXJyJyWB3Rih40vs3cX6Y1soTyCXjB5Syd+LaTpLy281DzZQqB ElL0aWLQb1bWmasM+TuOTh7uHGELeZ9mWoBqOWMMkSzOY+woWCZlheOT/z9OT//TA/md UuebmgKFyq4pjUCN5TL+9wS3tV4uDPavAg/i6M0GsdSP5YfIZIJAV0FrP+XxZIG3Ti/1 W7XOQZOOSkaLYhFJgPuQgJmn9qSjxl6X9RasXPj1xov6aQSZpzTvbWa9AWYnxKXYoEL8 0ajg== X-Google-Smtp-Source: AFSGD/VajcG7kguxeOGMnbGgctvhAGIngGT+CE5s5EnN/rDVpL2h5R/z46j3nX+qx8IKtOYAADdiZA== X-Received: by 2002:a19:6806:: with SMTP id d6mr18031413lfc.48.1546262813515; Mon, 31 Dec 2018 05:26:53 -0800 (PST) Received: from localhost.localdomain (mm-142-13-214-37.mogilev.dynamic.pppoe.byfly.by. [37.214.13.142]) by smtp.gmail.com with ESMTPSA id y23-v6sm10162231ljk.95.2018.12.31.05.26.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 31 Dec 2018 05:26:52 -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 v2 0/3] test driver to analyse vmalloc allocator Date: Mon, 31 Dec 2018 14:26:37 +0100 Message-Id: <20181231132640.21898-1-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. The first RFC was here: https://lkml.org/lkml/2018/11/13/957 Please have a look there for detailed description and discussion. Here i will just specify what has been done since last RFC: 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 I hope this test suite is more or less ready to go with. Appreciate your comments and feedback anyway, so please RFC v2. Thanks. Uladzislau Rezks (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 | 11 + tools/testing/selftests/vm/test_vmalloc.sh | 173 +++++++++ 6 files changed, 749 insertions(+) create mode 100644 lib/test_vmalloc.c create mode 100755 tools/testing/selftests/vm/test_vmalloc.sh