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, URIBL_BLOCKED,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 1572AC47259 for ; Tue, 5 May 2020 08:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD68C2068E for ; Tue, 5 May 2020 08:42:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W8I+ypz+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728663AbgEEImO (ORCPT ); Tue, 5 May 2020 04:42:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728627AbgEEImM (ORCPT ); Tue, 5 May 2020 04:42:12 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15D1CC061A0F; Tue, 5 May 2020 01:42:12 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id h12so921450pjz.1; Tue, 05 May 2020 01:42:12 -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=3Y0v2e1Lb5wtzzcdYvvYnMyMMtu+m1Dmqf+0QoZUhSA=; b=W8I+ypz+cgycacfqwemetGRj30vIPDplypv2/Xw57pculAjHckI9bGny/k3mNTwZSw mWH6WTxtwICdRj5L6uZO4Ldj3URk8KnAGufc8LmnraYmECPwDY+K5xkPJ2MOFth3h7Pu NoJpF3Mg1ycdxynBawfjuBzhVfLqsMoeYA697UtPbu928uNV+lREnMfVTogtTXyZCGqz 3rDrKnQbd8Ugaf+vPfa3bOHr4iVK19wF39eyEes0GzcOqz/H2DLBfjVkvPb7a/ASr0/i 4Axs85+ravwposSptCnI0lJITCWWR+uCwK2ridpnaWSCpSsaxraQ0c/VXCWJmIj1UuOC Qqjg== 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=3Y0v2e1Lb5wtzzcdYvvYnMyMMtu+m1Dmqf+0QoZUhSA=; b=ITaCyTAmzqy8j649j9nKvm+9k9ZTC9Yr22avn6vWt59RGrFwDocEYCXY25tbuCvLDm ELx/ksvrmPpe3lvUm3+D74nEOTBxWZBqdGAeEelfCzmUlDkvSBp8ABLuTNOrDBA3yONj vsOkI+69bAEBD6Ve22okk8ECxA4KmPQnGjCaHS4y1MlI7RvAOttZIKYvr7bFswyr8SBo sJ8ALIbsSddo+XoZeafPvuwUHDg57T5gljVU1SjiW7/7PGoPXyMhGsQSsWmVAinIM+wf Zi2r3bYq+3Zx0rl+VIaNX9g5MAm03j6ZUxqzWjMBnU+bcWmzyy8KCeE374LQLYhn9ID8 RjTw== X-Gm-Message-State: AGi0PuanD59MJvWIEWT4VSShNguwDd8+qw92VZvfwFgnksLLZ8aufOmC 0neXtikZ6fMwjcDWC3udJ9c= X-Google-Smtp-Source: APiQypJe86ksUq/JAGwIY1F0YkpbSYUnxzodqwNL6d+yuiHFDb2CMphwQrg9xwf5ognUlD3wIGaeUQ== X-Received: by 2002:a17:902:b114:: with SMTP id q20mr1885097plr.120.1588668131523; Tue, 05 May 2020 01:42:11 -0700 (PDT) Received: from localhost.localdomain ([203.100.54.194]) by smtp.gmail.com with ESMTPSA id p190sm1443802pfp.207.2020.05.05.01.42.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2020 01:42:10 -0700 (PDT) From: Yafang Shao To: akpm@linux-foundation.org Cc: mhocko@kernel.org, hannes@cmpxchg.org, chris@chrisdown.name, guro@fb.com, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Yafang Shao Subject: [PATCH v3 0/2] mm: memcontrol: memory.{low,min} reclaim fix & cleanup Date: Tue, 5 May 2020 04:41:25 -0400 Message-Id: <20200505084127.12923-1-laoar.shao@gmail.com> X-Mailer: git-send-email 2.18.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series contains a fix for a edge case in my earlier protection calculation patches, and a patch to make the area overall a little more robust to hopefully help avoid this in future. [chris@chrisdown.name: commit log above] Changes since v2: commit log improved by Michal. Chris Down (1): mm, memcg: Decouple e{low,min} state mutations from protection checks Yafang Shao (1): mm, memcg: Avoid stale protection values when cgroup is above protection include/linux/memcontrol.h | 85 ++++++++++++++++++++++++++++++++------ mm/memcontrol.c | 36 +++++++--------- mm/vmscan.c | 20 +++------ 3 files changed, 93 insertions(+), 48 deletions(-) -- 2.18.2