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=-3.6 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 A75DAC2BB1D for ; Fri, 17 Apr 2020 03:59:13 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5F6A021D94 for ; Fri, 17 Apr 2020 03:59:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="t1W6xMNu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F6A021D94 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 C8CDC8E0003; Thu, 16 Apr 2020 23:59:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C3E578E0001; Thu, 16 Apr 2020 23:59:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B05DD8E0003; Thu, 16 Apr 2020 23:59:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0201.hostedemail.com [216.40.44.201]) by kanga.kvack.org (Postfix) with ESMTP id 921BE8E0001 for ; Thu, 16 Apr 2020 23:59:12 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 4204C181AEF23 for ; Fri, 17 Apr 2020 03:59:12 +0000 (UTC) X-FDA: 76715991744.18.trail62_8a858db874317 X-HE-Tag: trail62_8a858db874317 X-Filterd-Recvd-Size: 4770 Received: from mail-pg1-f196.google.com (mail-pg1-f196.google.com [209.85.215.196]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Fri, 17 Apr 2020 03:59:11 +0000 (UTC) Received: by mail-pg1-f196.google.com with SMTP id p8so477528pgi.5 for ; Thu, 16 Apr 2020 20:59:11 -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=na7JfmnEuFO5lQLzn6c1hCpd9EfR0hcGB7Np3A/iN7s=; b=t1W6xMNu0MqsQxIZjhU3onKgCuLnT/u0kC0W09TFHrVkbMvgBtwcgbvDul/gCZrcEb +DcVkIM6Wm/zB8kc1o9qRNXxMqOMDSfNmankoOmseFARuXex9HESY5WRrblif7DP+p8z vpiXQlN0rTQXefHnbN+Z4k5TWUuhONg5bYp9rFAbtxIrGT8DSddTzcaf5pZY21m+JtwT 5mXyFUO1rY0bSssg7W7YOrUi64S2rlR3wt47vR7aTLWbknONKKtYhIHvrR4GgFWD11C/ Nt8palqFe3BG2yHPtTNGkA6Zgg+yDtHtA7yPjcWe5U7/yBKBA3O6bRAV45nTXd+Hc7Yv hYdg== 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=na7JfmnEuFO5lQLzn6c1hCpd9EfR0hcGB7Np3A/iN7s=; b=kUVY5LVza9jvUnZ5uAuSuabocPLfV2O9UGq8/WFSv7AGYSa6U+MpOd/zwQkITIVety HYN+9CXR+OvVcdkTHBZiE9EWoydIKZ9RGT4WE15cv4kFRyuf9ncoB/Bd5OOhMdwvAFNd TGvBfZh8gWQKXeR6aH4Dxkh/C9sYC1ScyWUfdrpXf1AJJR96vpu+OAbPqli0olTgeHzB S0QEwlgM8oK0xwtmhaJLmYlAyEIVwR4NPBBXFlOy1NhcyzsqWCYJSMYrovvFs3BDytik 1T5A1OMWjc/NlsmxZAKZr89QcSeDZUj8wXH9P838SqqhPmu7rsvVp/5ZLwQsF1jyILQ3 cySw== X-Gm-Message-State: AGi0PuaRI7s7p2h7OZ1n4OUb8CNev0JnTtWpAEHORqIkx9C2m9gvj4E2 BcTxiXUhUjwe9GTTV/U6OaU= X-Google-Smtp-Source: APiQypIo7vTkOBXArAcxTLTLkiTz7uKHkHyXjGz5YEKPm2+33YmWIwzOoZ9pzqr2V756J2oAdaj/Jg== X-Received: by 2002:a63:e54a:: with SMTP id z10mr1055329pgj.346.1587095950656; Thu, 16 Apr 2020 20:59:10 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id g12sm3525454pfm.129.2020.04.16.20.59.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 Apr 2020 20:59:10 -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 v5 0/2] integrate classzone_idx and high_zoneidx Date: Fri, 17 Apr 2020 12:58:41 +0900 Message-Id: <1587095923-7515-1-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-20200416 git tree. Thanks. Changes on v5 - rebase onto the next-20200416 - add review tags 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