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 41705C10F26 for ; Mon, 23 Mar 2020 04:49:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CCEE7206C3 for ; Mon, 23 Mar 2020 04:49:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tVlWs/nV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCEE7206C3 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 67C4F6B0005; Mon, 23 Mar 2020 00:49:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 62D5F6B0006; Mon, 23 Mar 2020 00:49:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 542D76B0007; Mon, 23 Mar 2020 00:49:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0177.hostedemail.com [216.40.44.177]) by kanga.kvack.org (Postfix) with ESMTP id 3A86C6B0005 for ; Mon, 23 Mar 2020 00:49:51 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 74E3A180AD807 for ; Mon, 23 Mar 2020 04:49:51 +0000 (UTC) X-FDA: 76625399382.28.steel16_903bb32536a4b X-HE-Tag: steel16_903bb32536a4b X-Filterd-Recvd-Size: 4695 Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Mon, 23 Mar 2020 04:49:51 +0000 (UTC) Received: by mail-pg1-f195.google.com with SMTP id t3so6593581pgn.1 for ; Sun, 22 Mar 2020 21:49:50 -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=Y/459EwXnBvPbqygYeTsHrFpUlzAedqw1w+1NWhovRY=; b=tVlWs/nVHFjAm8J2CE1FECmJZQGp7Xh2vmJNNgf5wUWk4Ms7NQGd5CT7TDXZEZxHAc W+FgzMmlWK2HJODlIahQPm705O6/dwpJldotkNCrC9f61tr8b+ulnd1Omsgua0U84D0R qiOd4Beoc6wNDZWhcryPgDDhpDLB78x+tDKT3S9g9cpD49MX40TTDATB14Y765KKElIE rARADHvIFvY1h2c/TbtSmUn3Oa+T0Oz5gfPc2B8837IazW5YxhoNFnOoKq0bJmFWhrLv D/Hqk7cJO7J+rntkMZNl0XAHIANABpl5IXxrd7vQ5kWMbI/X5/GSWaIaY+0eNSKnlPJv xbug== 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=Y/459EwXnBvPbqygYeTsHrFpUlzAedqw1w+1NWhovRY=; b=Q1PFfcV1FR5VI+EOvJHwyMrV2UjUu1a3/vVjtZXKUEDt6elIy5ocdw7MQpDoTV/wcP FwRZ/u/MTYBQUBKcfSbB2Eo+d8/hNVRYYs0lS6WI+6b5dTYJ8GNwANbfM/0QG4hjDmhl onKRxcS5XtahQj+OoeBx++0+SyHl0LsxC+izEvhozIV14egVeE3auKAIuJan7qbe/mv6 t1HQbZNKDb3WT9VVbegJdPFHmelsl+i4LxbOa+PQ1vCziYVvEPz3cPH58H/4fFCm3S1c V4blsFOVxWw9YcCFF0KZO/raDrh5isUKO386UY5mJE7e4821GmMA6HtaQjkbg+XeW2RZ UT/A== X-Gm-Message-State: ANhLgQ2JboU5O1eQ5YQmfqYoot1i1HyBtmHGe/qPk38E2WTzIs6CumVg CdmIjRGUn00PMam68t4YChE= X-Google-Smtp-Source: ADFU+vt8AuMOhKYy9v2rI1faQWtv5bK9i2Mw1yOFDdzUUdg6mVNVlfr4bS0/2fhxoJKJ+lusk8Gd7g== X-Received: by 2002:a62:2b8a:: with SMTP id r132mr23767799pfr.56.1584938989309; Sun, 22 Mar 2020 21:49:49 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id c207sm11903982pfb.47.2020.03.22.21.49.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 22 Mar 2020 21:49:48 -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 , Baoquan He , Joonsoo Kim Subject: [PATCH v4 0/2] integrate classzone_idx and high_zoneidx Date: Mon, 23 Mar 2020 13:49:30 +0900 Message-Id: <1584938972-7430-1-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 v4 - improve the commit message again 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