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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7B0FC433FE for ; Thu, 10 Nov 2022 07:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231966AbiKJHZQ (ORCPT ); Thu, 10 Nov 2022 02:25:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229793AbiKJHZM (ORCPT ); Thu, 10 Nov 2022 02:25:12 -0500 Received: from mail-ej1-x632.google.com (mail-ej1-x632.google.com [IPv6:2a00:1450:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A336313DF5 for ; Wed, 9 Nov 2022 23:25:11 -0800 (PST) Received: by mail-ej1-x632.google.com with SMTP id f5so2769651ejc.5 for ; Wed, 09 Nov 2022 23:25:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MLIL8AWyiTyOVTowKuWveBdp9wuFqtjsOK/tusdXEg0=; b=n82CKx2oKYstCeHq7b45Jmr9QQxnDG+iq5wWJniMgAw80ww+xmBuBKNOd5ieCew3Mp 7fYQPRQAP4iLplsr50ZY0nwiXVOISgNlzGhne3cys2BqNtkr/oFxrZTj0CguA+sJxoY/ NlMA5PH9GkZWSpPnqcj72ZWnANh42gNQoMtcoX7OBTET/keZfzi3kAMDAekHmDXksYNo AIlUgwLhJkD0Zw+jCWrj4RlTfnUX5tW3GdnY1vuxJXOV8J9pfEzU7mEwWImWzW4jeJR0 Tl+dW9sc9s/V0wA3IDFhjXihBai9XqnjcjWM3JIUdRiscUMB25ftkFJoccbX8bfqwFpA 7tTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MLIL8AWyiTyOVTowKuWveBdp9wuFqtjsOK/tusdXEg0=; b=Biri7yV2oVQ/tz9SoA9qIy5LY2we6oNAq/UEBEoaNc2C74YZFTWSpSFcJiaCb9nkws 6D1T8vdi0wK0InaBMfLp5W+nTQP0fIU6SDb8/ZHOeOa55B/Muy/7smRW0bETxGvFnx4x NXgCKB/Gnd/W7oVVEQAPllF8UWBGtByx8BRk5phqZWkjqd/2X+dzLOe74F9rrT5OAG1r k3eOOvEK6uIqOGMfF/dG5JKRcIo/xzcXJzhKWcaNTEtkehjC7bPyu+lK6NDV4LblaDVY TvawyPfyzaEng3G1SFnp8yyVkzFSuWNRh4KLNjk1RDJi0+hWYfi6N9JHIJnRHmcLcdIz YKCw== X-Gm-Message-State: ACrzQf2bHXRxZkKXffDLGICXpm58MXA6PvoOKkk2595+XgRWPAcP838R 00pvM3x+ZU5oXkmhCqMrJSs= X-Google-Smtp-Source: AMsMyM7n4yP3Bw53HMpXTM9vWrjegmze60e5skOOzJZ7DwsPiTBEf/ABWnqq9Dm+Tw0HdT61T2aAwQ== X-Received: by 2002:a17:906:fad5:b0:7a0:7333:8f1e with SMTP id lu21-20020a170906fad500b007a073338f1emr2211344ejb.493.1668065110116; Wed, 09 Nov 2022 23:25:10 -0800 (PST) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id ca26-20020a170906a3da00b0078b03d57fa7sm6731958ejb.34.2022.11.09.23.25.08 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 09 Nov 2022 23:25:08 -0800 (PST) From: Wei Yang To: Liam.Howlett@oracle.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wei Yang , "Liam R . Howlett" Subject: [PATCH RFC] maple_tree: should get pivots boundary by type Date: Thu, 10 Nov 2022 07:24:59 +0000 Message-Id: <20221110072459.23656-1-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If my understanding is correct, we should get pivots boundary by type. Signed-off-by: Wei Yang CC: Liam R. Howlett --- * kernel build looks good --- lib/maple_tree.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 73e2e6434e2f..2123d1930a9b 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -669,12 +669,13 @@ static inline unsigned long mte_pivot(const struct maple_enode *mn, unsigned char piv) { struct maple_node *node = mte_to_node(mn); + enum maple_type type = mte_node_type(mn); - if (piv >= mt_pivots[piv]) { + if (piv >= mt_pivots[type]) { WARN_ON(1); return 0; } - switch (mte_node_type(mn)) { + switch (type) { case maple_arange_64: return node->ma64.pivot[piv]; case maple_range_64: -- 2.33.1