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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 0E88FC4332B for ; Fri, 20 Mar 2020 08:32:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AC68320789 for ; Fri, 20 Mar 2020 08:32:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W3mpNrq1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC68320789 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1184B6B0003; Fri, 20 Mar 2020 04:32:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0A28E6B0006; Fri, 20 Mar 2020 04:32:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E83386B0007; Fri, 20 Mar 2020 04:32:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0124.hostedemail.com [216.40.44.124]) by kanga.kvack.org (Postfix) with ESMTP id C945C6B0003 for ; Fri, 20 Mar 2020 04:32:36 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 7F98452AC for ; Fri, 20 Mar 2020 08:32:36 +0000 (UTC) X-FDA: 76615074312.11.straw42_16bcb78a83c59 X-HE-Tag: straw42_16bcb78a83c59 X-Filterd-Recvd-Size: 4606 Received: from mail-pj1-f66.google.com (mail-pj1-f66.google.com [209.85.216.66]) by imf27.hostedemail.com (Postfix) with ESMTP for ; Fri, 20 Mar 2020 08:32:36 +0000 (UTC) Received: by mail-pj1-f66.google.com with SMTP id m15so2157650pje.3 for ; Fri, 20 Mar 2020 01:32:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=y4EXv4j5Ha9va7jIkBAgeEKiDWs7cacB5hfE3z/XjNI=; b=W3mpNrq1B8eALqJExPM3rwGmDfRNcD3vC935HFTtGeWReK9DxqQi2vX4fLqrJOjvHD VS0cmsnsA9zE5PPCaGCW/dUth1EnYOE9/VdhxjMOpPeNXqwL1sG03duplP5v/Kdrpg/s szXtnKxtHAEOh3oLZMYHnLxWW0mbhp7tGyjJNpmz3qYabSqpBtisbfQLMxCPalfN26V7 JunE1K0m8ey4l/hgAQ9YtJs/GW2zHmup0AY9q8e3uXPpIiWd7L/nehtY1/ETq7ig0qsg XMKDZ1W4ybcEVEkwXwoBCf/p7+LHBdy+adHfziv34y1kLnXwtY4YpwXw/O3SR4ClmdDF RvVg== 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=y4EXv4j5Ha9va7jIkBAgeEKiDWs7cacB5hfE3z/XjNI=; b=Ef1metACa2qrY2gqO73Gh0/tw0M5UruuBJZKyX+8kkOQaaL8W9Q7hlYy/CGKt8aYLI bHIvcMufjJrrkdfFGOMZpkLQnjYt3DlHJjaAGmzI9W9IUpUFT/0A9Me+C/SULqjwABQ0 FLb+6MbdVK4fuH960zgOQWEEiAFQIXjloCWtNzRsL3mmKEBfTNlKJsa5ZGef2rmJ/WO8 PviZdm9lbaL5LOaQQqow5JyrAlzxclJDQ2p5wMUOQY9eoiko1OHoOsy47VcbLD1jrItW cOk+PZbG/TXm0D/h+byQcxahFRKht6jKKL43AZ5IH8eX7eswJMdh/Dmkr3QP14YKaruV iOkA== X-Gm-Message-State: ANhLgQ3nASSthAWUHzzqw8o6P+jmepCwthMZkOdQ0e/mSmOZTxJHclOb idVHqkd+35EizAhn3S0a03Q= X-Google-Smtp-Source: ADFU+vvxzhUqznG+Or05Y8Bj8mN/uU0KJa7ovgxJcjANGImOTzLJWdXEV50j4P1+p/fzHXECTNiqHw== X-Received: by 2002:a17:90a:8c1:: with SMTP id 1mr8458022pjn.77.1584693154921; Fri, 20 Mar 2020 01:32:34 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id y193sm4501986pgd.87.2020.03.20.01.32.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 20 Mar 2020 01:32:34 -0700 (PDT) From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Minchan Kim , Vlastimil Babka , Mel Gorman , kernel-team@lge.com, Ye Xiaolong , David Rientjes , Joonsoo Kim Subject: [PATCH v3 0/2] integrate classzone_idx and high_zoneidx Date: Fri, 20 Mar 2020 17:32:13 +0900 Message-Id: <1584693135-4396-1-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 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: From: Joonsoo Kim Hello, This patchset is follow-up of the problem reported and discussed two years ago [1, 2]. The problem this patchset solves is related to the classzone_idx on the NUMA system. It causes a problem when the lowmem reserve protection exists for some zones on a node that do not exist on other nodes. This problem is reported two years ago, and, at that time, the solution got general agreements [2]. But, due to my laziness, it's not upstreamed. Now, I tried again. This patchset is based on next-20200317 git tree. Thanks. Changes on v3 - improve the commit message - remove useless accessor, ac_classzone_idx() [1]: http://lkml.kernel.org/r/20180102063528.GG30397@yexl-desktop [2]: http://lkml.kernel.org/r/1525408246-14768-1-git-send-email-iamjoonsoo.kim@lge.com Joonsoo Kim (2): mm/page_alloc: use ac->high_zoneidx for classzone_idx mm/page_alloc: integrate classzone_idx and high_zoneidx include/linux/compaction.h | 9 ++-- include/linux/mmzone.h | 12 ++--- include/trace/events/compaction.h | 22 ++++---- include/trace/events/vmscan.h | 14 +++-- mm/compaction.c | 64 +++++++++++------------ mm/internal.h | 21 +++++--- mm/memory_hotplug.c | 6 +-- mm/oom_kill.c | 4 +- mm/page_alloc.c | 60 +++++++++++----------- mm/slab.c | 4 +- mm/slub.c | 4 +- mm/vmscan.c | 105 ++++++++++++++++++++------------------ 12 files changed, 175 insertions(+), 150 deletions(-) -- 2.7.4