Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp176213pxa; Fri, 14 Aug 2020 00:23:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy8qPt5azMwfKouGHGlO47vMsISGVo8lEwxNUjwmjGlwE5T4kEzjWDiHYTURpUtaLBLYswW X-Received: by 2002:a17:906:819:: with SMTP id e25mr1233012ejd.95.1597389826209; Fri, 14 Aug 2020 00:23:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597389826; cv=none; d=google.com; s=arc-20160816; b=QmUAnKS3vJ9MukHkxxD4h05pdKPZ2zCGCWwvmXn+opsV+n9MNTFDByx0D4W0Rm6L/N UIhfRRdC4bGI+F8S3IugevFxwez6cd82U3EGVu1CgZY8qpOEYpad4J04QehUmPZ7/hRc f+xiXLPaNV8VIQ50BPvrd6RZpv5eOAnoEqboKK96whZCnWrTPhWI5E1VICkcKHaOWUu8 lKF+hDWc7TgqN966fVeGklXm2wtlUDO1oDLRZSnhkbrXMEionIEdQgHVvo2YrSz0CnZy /3hFx9peV4fYUgaPvOWkqUP1m+PAYnozTxWHCux3o2vbU8AJh/o4BwMNrPAAiXtfJkbD ey5A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject; bh=V+h6DvTcXwh6AUZNdDarfRW7kYlnF7kBR34muEk6fYg=; b=FXnnI9ytVOPQIJhjiSIHH3jpan5P+Ig41OOpkEQQ+lSwqVCseYDXc+pazV91xQaLEQ 1fSKRSULHeyx5IXr8BqydwDhmTZYfWWMPrHu6gYt9fcrC2mZtjDqj6kMSEKpv4V7rvu9 GWjdDfdgEMfTIl6Uhi6MprK/8hW8EyNkk0nSug1jSDwt4D9ck8Z7sVm0KimUV0xJY07m JZcgazwg3S6Mv/lzaajN/iYUVlVEgPp3iSAclE4IG7Vecxp6u5GmxXs+ReQgMs9rOpDu PrJw1bTYls8GXUINBb0PGKGVFXG3ld0a81DS8gychSECopF8y/jDbW5Yt86uTxNIV535 E+5w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s19si5453550eja.499.2020.08.14.00.23.22; Fri, 14 Aug 2020 00:23:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726541AbgHNHUy (ORCPT + 99 others); Fri, 14 Aug 2020 03:20:54 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]:53701 "EHLO out30-132.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbgHNHUx (ORCPT ); Fri, 14 Aug 2020 03:20:53 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R881e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07488;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0U5ih6Du_1597389645; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U5ih6Du_1597389645) by smtp.aliyun-inc.com(127.0.0.1); Fri, 14 Aug 2020 15:20:47 +0800 Subject: Re: [RFC PATCH 3/3] mm: Identify compound pages sooner in isolate_migratepages_block To: Alexander Duyck Cc: yang.shi@linux.alibaba.com, lkp@intel.com, rong.a.chen@intel.com, khlebnikov@yandex-team.ru, kirill@shutemov.name, hughd@google.com, linux-kernel@vger.kernel.org, daniel.m.jordan@oracle.com, linux-mm@kvack.org, shakeelb@google.com, willy@infradead.org, hannes@cmpxchg.org, tj@kernel.org, cgroups@vger.kernel.org, akpm@linux-foundation.org, richard.weiyang@gmail.com, mgorman@techsingularity.net, iamjoonsoo.kim@lge.com References: <20200813035100.13054.25671.stgit@localhost.localdomain> <20200813040240.13054.76770.stgit@localhost.localdomain> From: Alex Shi Message-ID: <76f64f08-e2c7-9862-5e7f-6251032735f0@linux.alibaba.com> Date: Fri, 14 Aug 2020 15:20:05 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200813040240.13054.76770.stgit@localhost.localdomain> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It has a slight performance drop too... Thanks Alex 在 2020/8/13 下午12:02, Alexander Duyck 写道: > Signed-off-by: Alexander Duyck > --- > mm/compaction.c | 33 ++++++++++++++++++--------------- > 1 file changed, 18 insertions(+), 15 deletions(-)