From patchwork Tue Apr 11 04:10:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Zhang X-Patchwork-Id: 13207020 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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 495D5C76196 for ; Tue, 11 Apr 2023 04:10:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D1B76280056; Tue, 11 Apr 2023 00:10:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C7C9B280054; Tue, 11 Apr 2023 00:10:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B42F2280056; Tue, 11 Apr 2023 00:10:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 99AA6280054 for ; Tue, 11 Apr 2023 00:10:21 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 57302804C8 for ; Tue, 11 Apr 2023 04:10:21 +0000 (UTC) X-FDA: 80667783042.25.0C1C9A4 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) by imf11.hostedemail.com (Postfix) with ESMTP id 88F734000F for ; Tue, 11 Apr 2023 04:10:19 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=bytedance.com header.s=google header.b=c+OhbwPD; spf=pass (imf11.hostedemail.com: domain of zhangpeng.00@bytedance.com designates 209.85.214.173 as permitted sender) smtp.mailfrom=zhangpeng.00@bytedance.com; dmarc=pass (policy=quarantine) header.from=bytedance.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1681186219; 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=8JQC2S3AsB/qfFz4i+cFB5iM5W1998ocJck2gmcRviY=; b=BjBnMsGRIkIHR/ku+irsX2LJoydjhTmNWguIITqru1u5ziXQDIBALg8ygc2juuL+iQEOKp 92oOq4+LnPU6jFuZ0K1E5iXQFkevL1Sdj6rmYWrXszfwd3ESC6Nd4+UObMnbUSbG6s2T+J lfe/mAQkOIZqKC6J8a5KvZVknzS6hgM= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=bytedance.com header.s=google header.b=c+OhbwPD; spf=pass (imf11.hostedemail.com: domain of zhangpeng.00@bytedance.com designates 209.85.214.173 as permitted sender) smtp.mailfrom=zhangpeng.00@bytedance.com; dmarc=pass (policy=quarantine) header.from=bytedance.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1681186219; a=rsa-sha256; cv=none; b=ucn6LtoN/6P+fIegxXXBrFgnWGEcu2qY1x7ImOrsYC1W1R3R/rrVvDsnWqWTNUV2tv1r49 KDZkfVCRiS7nMSNBsJBDnTOU/dgiTgR3WGirk7V4fU+wyXdmr6Ge7Rowhm8cXsJFiB17Ex Br5GpW9wi041FCAPm6pH5UhgaUQieE8= Received: by mail-pl1-f173.google.com with SMTP id n14so31760764plc.8 for ; Mon, 10 Apr 2023 21:10:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1681186218; x=1683778218; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8JQC2S3AsB/qfFz4i+cFB5iM5W1998ocJck2gmcRviY=; b=c+OhbwPDKLL1YNc5EklJLAoqBP4lWpvwS3T5ff8jGJ5C+odIS/4hjxEOVVxtvZVEwv jiUDUhhQFVa+X70eGWbAkz8hgQkj4ZBGKssBaI95xPjXCpulKL6LgTwL6hbYH/EoPiwm WKlzj64HS5Q6+cZt67J5vP9bvpFKVLRHoQRRINLir3+/TTRVTqe5clr/DAnpV9pbNsJj y2p5bEQZocHzfMafDtq+qVDlL8oYMJI1S6ND5+uU5I+IF3uxtMdsZX+hBn3qBT3fAjOq BIyYESuShEQBUZNrUVcTHkf8mjIbPBVlZevxF0/E/FjfhM/LjIhx2Yo70YBfK1OKN/tb +aeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681186218; x=1683778218; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8JQC2S3AsB/qfFz4i+cFB5iM5W1998ocJck2gmcRviY=; b=CUGVk8xTl+5aO2HSBL68Xf+E3tg+yZD8L0eNFXE6ac336WKpNCAId1pyFUv8ueHFX1 VwIofpcGQnXH7MXX4+0ERjZ+BfWK2I8oozOK1fwidkwfDyEemsHM+Q5Oo/HlQvxYoyss vC7jHZPEe8I5WibIx4TwFpVod7GF/OiSNggIzaLdp/3u08rk4QXdlbdArkYlhQeXLZDL 0tPeXydBs2pDrTPvXsHfQRmoqRxxzdkJ3HDiFntdkvS0Vlt4gG3DnChkTVQ+z85vdGkF 4AmQeFcZEtPiao49LgKN/4Fvlb8tzWSzGyp4e8kJyjmCpEE/m+QkgWLwtZvmW3IFsUvX l9Jg== X-Gm-Message-State: AAQBX9eNV0UTf6Y2mtLVJEaVp6ju6KpZ61DmrTefGcG9Kp7RyVmm1fKJ zlk92dgYAiuJhDZaljNxU3mPuNA9fxiZzcltecY= X-Google-Smtp-Source: AKy350YaascfuG3f5vp+LTeX4R8cU9ivYMglUHZYxbSxDrmF2F15n2Y5K8ooV7egX1jfHL8UCEo8tg== X-Received: by 2002:a17:902:fa48:b0:1a6:4480:dfed with SMTP id lb8-20020a170902fa4800b001a64480dfedmr4852064plb.49.1681186218323; Mon, 10 Apr 2023 21:10:18 -0700 (PDT) Received: from GL4FX4PXWL.bytedance.net ([139.177.225.248]) by smtp.gmail.com with ESMTPSA id g13-20020a170902868d00b00198f36a8941sm5567317plo.221.2023.04.10.21.10.15 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 10 Apr 2023 21:10:18 -0700 (PDT) From: Peng Zhang To: Liam.Howlett@oracle.com Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org, Peng Zhang Subject: [PATCH v2 2/2] maple_tree: Add a test case to check maple_alloc Date: Tue, 11 Apr 2023 12:10:05 +0800 Message-Id: <20230411041005.26205-2-zhangpeng.00@bytedance.com> X-Mailer: git-send-email 2.37.0 (Apple Git-136) In-Reply-To: <20230411041005.26205-1-zhangpeng.00@bytedance.com> References: <20230411041005.26205-1-zhangpeng.00@bytedance.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 88F734000F X-Stat-Signature: twmmbkxd94pytueqqyyjeputfnnoi6ku X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1681186219-349957 X-HE-Meta: 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 +otJgM1P tAxeJjt0WTCbeF6eJuNc+VJfpXbqcGwkyugSNyf7L7s5WLKr4oxzORd/OLct2DNhYGhnhq+A3UVlY+G8sulkPCmX+8oPuV/FE9FKo/L19+JZkB67x28TKZHILmiyliZCM+4UynkehIjL0ZR3C6vGNBHDnGx2cA8EGjqX50bmRFXQfgtfkRe4B2QCnbcwhnT0RWBKAg60qH7vUZ3Nuq10UsdFJv10AnISbtv3yKVc++2o8nTIS0k/iwcFbxSVwTpDEubUyJPbdXYCG0QOkq053CKpgsk6alSTU0YtlaZzTcbHwoG0zJF7kqCe4lzWTToHDhZNsvDd3cs8NnArUAU7sgzggpGO2C+DmoAnHs5MjoJ+vV2bssBJS9evdZed+QEOVwm/ugK2mb/WjhF3TpMFoEO6od6fVbgnnsne9V4oEZBm5d6Sp5BXE/EoC2jjcFRVEvAXn50BTjBzQ1KHt6mvZpQCApiMpHO/6/Xf0 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: Add a test case to check whether the number of maple_alloc structures is actually equal to mas->alloc->total. Signed-off-by: Peng Zhang --- tools/testing/radix-tree/maple.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c index 4c89ff333f6f..9286d3baa12d 100644 --- a/tools/testing/radix-tree/maple.c +++ b/tools/testing/radix-tree/maple.c @@ -55,6 +55,28 @@ struct rcu_reader_struct { struct rcu_test_struct2 *test; }; +static int get_alloc_node_count(struct ma_state *mas) +{ + int count = 1; + struct maple_alloc *node = mas->alloc; + + if (!node || ((unsigned long)node & 0x1)) + return 0; + while (node->node_count) { + count += node->node_count; + node = node->slot[0]; + } + return count; +} + +static void check_mas_alloc_node_count(struct ma_state *mas) +{ + mas_node_count_gfp(mas, MAPLE_ALLOC_SLOTS + 1, GFP_KERNEL); + mas_node_count_gfp(mas, MAPLE_ALLOC_SLOTS + 3, GFP_KERNEL); + MT_BUG_ON(mas->tree, get_alloc_node_count(mas) != mas->alloc->total); + mas_destroy(mas); +} + /* * check_new_node() - Check the creation of new nodes and error path * verification. @@ -69,6 +91,8 @@ static noinline void check_new_node(struct maple_tree *mt) MA_STATE(mas, mt, 0, 0); + check_mas_alloc_node_count(&mas); + /* Try allocating 3 nodes */ mtree_lock(mt); mt_set_non_kernel(0);