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 40826C4332D for ; Fri, 20 Mar 2020 08:32:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B26720739 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" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726801AbgCTIch (ORCPT ); Fri, 20 Mar 2020 04:32:37 -0400 Received: from mail-pj1-f65.google.com ([209.85.216.65]:34948 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726527AbgCTIcg (ORCPT ); Fri, 20 Mar 2020 04:32:36 -0400 Received: by mail-pj1-f65.google.com with SMTP id j20so2162237pjz.0 for ; Fri, 20 Mar 2020 01:32:35 -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=kLG2jMqLTGaHVpklnhVYwvKyZo2QQ1pq6IXsnMPwLhwAFV+pRhLJ4Mxlqgjn5W/by/ u2uZaQrb9bXxULXhj9AmnA+eo50IaBsAHHd56iS0DwMbpsGMd9B4cgdKYwseZVKcsMI9 XGuBQkx2q87glEk2k9O1Ys1mWS/GhPtoECT/RyO+DVDQ2WkY0tJG3PS3NoA9hmGbOWrL 8jHxTC6LQtCwEgft/929/REWQvJLwcXoWc8WT1iDxGnWgRpbSAVwC9HxO7sL+FWmFmfF 02t1Sk7jCRj5iM7sNOD/TiVQvWfM18zXypgcXwNVz73vSEhpLQ8b/E9IY+K+n3B+ywwF YwTQ== X-Gm-Message-State: ANhLgQ20t5qqAwO+fVCjbRTlwfqDscNusinQkQWi2uo6JT9ejYAr4R23 9Wu2g2Lo/H5YfAyE3sE2lnA= 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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