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 X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AD0AC43387 for ; Mon, 31 Dec 2018 13:26:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C7062133F for ; Mon, 31 Dec 2018 13:26:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Zcep8Zvz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726421AbeLaN05 (ORCPT ); Mon, 31 Dec 2018 08:26:57 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:36958 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725974AbeLaN04 (ORCPT ); Mon, 31 Dec 2018 08:26:56 -0500 Received: by mail-lf1-f68.google.com with SMTP id y11so18294854lfj.4 for ; Mon, 31 Dec 2018 05:26:54 -0800 (PST) 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-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=BO3tSa3J330Tpbmn9DhDXphuySXauc5hmt/7nSk40Qk=; b=Tj8AsXKQWbn35gf5x8mXklLcGDWczbxCJOAEayHMDf4gtNiHzENL74xpXskkvCPnBN suJ8lVsqMf4nuGOAD1Dnup5HgKxCLkfA9VOdH1jC7yH/RFgzYyAyXtbMJSpYQ4uNCvvx FQ73rfvYzHcxYRSf74ziJsUzeXyXWB5exMTXZ+L3sb5zWAwPpENMHXuKa3/e0FJrTwk6 VVZLfwz/xbBg73Dvw7J0vB3Z8J35V4+Z+55s6otBfnEYayMDtMBgeRY4vCdB0Dx7rf1r g8nff1PHE3LaXJtgQCuMZpvExEY3Mmt3wB0aOQFElvwFz8T8ytEjMOtxnn/7U4ueAKlD MYwA== X-Gm-Message-State: AA+aEWZsky120hlcFoxN6jizMO+T8k1OiKHv0CA6V9alcBX8+7CjBJK5 DbnPBTug9avmaX4jJbxTnH0= 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- 2.11.0