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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 484EEC3DA78 for ; Tue, 17 Jan 2023 07:31:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AB5276B0078; Tue, 17 Jan 2023 02:31:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A65A16B007B; Tue, 17 Jan 2023 02:31:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 92C136B007D; Tue, 17 Jan 2023 02:31:44 -0500 (EST) 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 83E916B0078 for ; Tue, 17 Jan 2023 02:31:44 -0500 (EST) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 523411202E4 for ; Tue, 17 Jan 2023 07:31:44 +0000 (UTC) X-FDA: 80363471328.13.697EDD6 Received: from mail-pj1-f49.google.com (mail-pj1-f49.google.com [209.85.216.49]) by imf11.hostedemail.com (Postfix) with ESMTP id A79D140009 for ; Tue, 17 Jan 2023 07:31:41 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=fNdDVZww; spf=pass (imf11.hostedemail.com: domain of zhangpeng.00@bytedance.com designates 209.85.216.49 as permitted sender) smtp.mailfrom=zhangpeng.00@bytedance.com; dmarc=pass (policy=none) header.from=bytedance.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1673940702; 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-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=wRGuf3zKSLvnU9iingEuUTLd1xRFRQOujh2ZVq1MAGQ=; b=QqowhBDj8P8XcfDnXzIOpRvCVUu9Pm1aVrpAvQHRpsXRB1g1sUjVy0f04Tn8gkL3ugPnF5 keSKwYE7nb0MMef0o1igwS0/tgkLu8MGWbcFWRk0WdSmRYWq1hIsOMBYU7XGcDFIZI6fNv /XiuBKKtVVQo2UllyV3I+ylaYXamx9k= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=fNdDVZww; spf=pass (imf11.hostedemail.com: domain of zhangpeng.00@bytedance.com designates 209.85.216.49 as permitted sender) smtp.mailfrom=zhangpeng.00@bytedance.com; dmarc=pass (policy=none) header.from=bytedance.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1673940702; a=rsa-sha256; cv=none; b=PjUV5dWI4y8hI8FZSh5YqWoj1G5CyhaIDY5gqR1nfoOCHLZ40HTiABTThZKj6z0X2TBYUd xc5rT2y1UgvgciGmr2MqYwxw0GJ2UaEGppS5b0pRbVWIq11blOmL3NpG2z5IHJY/oSXYVU OCLq+mK/hwt6GGrtptDArWy7Fv4oVRo= Received: by mail-pj1-f49.google.com with SMTP id y3-20020a17090a390300b00229add7bb36so310734pjb.4 for ; Mon, 16 Jan 2023 23:31:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to:subject :user-agent:mime-version:date:message-id:from:to:cc:subject:date :message-id:reply-to; bh=wRGuf3zKSLvnU9iingEuUTLd1xRFRQOujh2ZVq1MAGQ=; b=fNdDVZwweEaQxAfz7gQR4YECfnBWQhhDkX9H3rGpV/G+WX7L67iDyLZniEKBGwUNe3 HAJjY9oR9Q3M7xN71bG8vEUAIgWYchbYb/5fiQBO5rs4dTlY7YIbKL08Srz8HJH/d9RL JMZI5SYOu7UdZ7gfAuPB07u2+RTnJBVTEYQMVw8awFStSL8vNb2uFcD8+lN0/ECq2jcA ioBQaQwaD+ZMGzAJBOx1mZPl9GiF55stHNKlHkXvnFWDR1/vcz0CY2GpQAg3jVR2XE/Y iuaIhZfhJ+wxZumaRHCRRCVECtTkyYeTR2cM2c9l3u60WsIXCAxZLsZtte2TG9L/OrIo fxGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to:subject :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=wRGuf3zKSLvnU9iingEuUTLd1xRFRQOujh2ZVq1MAGQ=; b=ctDcvDqt6JvvNUlX3Gtp5G8f367AAIPQ6sx7BNgofxA1UF1tKrCIJFycepq3R3kFfR KYi3ltrLcCfyCSHx9oyGDh6hqffpWXlmjG1z3FHANcWT555tZonoxdbEmOou2H6iee8Z HtasLw2qgUFwndPNhLGpJI20dbz6pZe9vEV82+yW/S7+R26UeR8ci0vXuMcXlKOZwU0D q0CVac7YGAfpCtASuRbN9yVcOd8X3t5E6W40pU4qpKDjx1dYGBJtM/i84cAEmusr7aeX gYruikkNJs2gEBF2cFzK+x0jYG5NNXS4F5HxBvr5qRVUYif0xFPUDBgQbUN9SLABryfc GAxw== X-Gm-Message-State: AFqh2krBWodJ5TyGDOqtOu3uUuS2iCIeuFk3MBK4gpa/OHwrdrhErVgL 2fkQXEA/TrUaSsNNJI6pofr8fQ== X-Google-Smtp-Source: AMrXdXt7VLmohgFFsYNbKMdYyjMDqbcHs08zHolF9rmgUXgt8Yb0rU76zjC1cz7WIiSG2rSovNXIlg== X-Received: by 2002:a17:902:c3c6:b0:192:c014:f6ba with SMTP id j6-20020a170902c3c600b00192c014f6bamr2319458plj.33.1673940698630; Mon, 16 Jan 2023 23:31:38 -0800 (PST) Received: from [10.90.35.114] ([139.177.225.239]) by smtp.gmail.com with ESMTPSA id 21-20020a170902c11500b001869b988d93sm13644880pli.187.2023.01.16.23.31.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Jan 2023 23:31:38 -0800 (PST) Message-ID: <9f626aa0-cabe-8c7f-5a3c-b30ea52a6adb@bytedance.com> Date: Tue, 17 Jan 2023 15:31:34 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH 3/3] memblock: Avoid useless checks in memblock_merge_regions(). To: rppt@kernel.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org References: <20230113082659.65276-1-zhangpeng.00@bytedance.com> <20230113082659.65276-4-zhangpeng.00@bytedance.com> From: Peng Zhang In-Reply-To: <20230113082659.65276-4-zhangpeng.00@bytedance.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: A79D140009 X-Stat-Signature: 6o83tdtfysa3qipj6oy34t9uqysrth3x X-HE-Tag: 1673940701-799211 X-HE-Meta: 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 FFHr6dam gI6DBjB7o8NvNNFS+5obOWmqlXhIjtKbwlJdVuktkXItBtzzyUqio2brqytWUYKwYp71sZBdq97zzE5vdVV/Gr68SfeEgDMl9K6VhSu6m56WfAQv/OWzsNLg4LoP0zsO+kN2Z5u1DBiNR2+QxobBQ+neeusXmluZgCdYwSUFbMUMGo4hOxd1YqC9cItq+7Kq1TLVnRxG0yZNpyqMqLzEhrcJfZw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.087049, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, Mike What's your opinion of this patch? Sincerely yours, Peng.